[exporter/bmchelix] Mark the BMC Helix exporter as Alpha (#37752)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description
This pull request introduces the BMC Helix exporter as a new component
and marks it as Alpha. The changes include adding the BMC Helix exporter
to various configuration files and updating its stability status.

### Addition of BMC Helix Exporter:

*
[`.chloggen/add-bmchelix-to-build.yaml`](diffhunk://#diff-73f91bea722874de9aa8f64da379018915873458021d431b0e4534ac141affb3R1-R27):
Added a changelog template entry to mark the BMC Helix exporter as
Alpha.
*
[`cmd/otelcontribcol/builder-config.yaml`](diffhunk://#diff-e544ba2c49af711a5eb01b4c980e3bef42daa2088f140d79de23fc79b10f1369R68):
Included the `bmchelixexporter` in the list of exporters.
*
[`reports/distributions/contrib.yaml`](diffhunk://#diff-3ec0bc3053ed4dee6375471a38ee1b586e8335565c8ced2c072d2f885e63b376R27):
Added `bmchelix` to the list of components in the contrib distribution.

### Stability Update:

*
[`exporter/bmchelixexporter/README.md`](diffhunk://#diff-a6513cb9bece579c6c0c3cfff40bdeac127fe06983e068319c0907ea86bca0edL6-R12):
Updated the stability status from development to Alpha and specified the
distribution as contrib.
*
[`exporter/bmchelixexporter/internal/metadata/generated_status.go`](diffhunk://#diff-f1ffa219036a11de849517010dd941abf177ddf334041974dc7032e8993c3257L15-R15):
Changed the `MetricsStability` constant to Alpha.
*
[`exporter/bmchelixexporter/metadata.yaml`](diffhunk://#diff-5798995bb6b49e70bf0f62c0a2875569921869a8a300a3eceb9bf5c93ad5e474L6-R7):
Updated the stability status to Alpha and added the contrib
distribution.
<!-- Issue number (e.g. #1234) or full URL to issue, if applicable. -->
#### Link to tracking issue
Fixes #36773

<!--Please delete paragraphs that you did not use before submitting.-->

Author: NassimBtk

.chloggen/add-bmchelix-to-build.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: new_component
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: bmchelixexporter
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Mark the BMC Helix exporter as Alpha.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [36773]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

cmd/otelcontribcol/builder-config.yaml

@@ -65,6 +65,7 @@ exporters:
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awsxrayexporter v0.119.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/azuredataexplorerexporter v0.119.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/azuremonitorexporter v0.119.0
+  - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/bmchelixexporter v0.119.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/carbonexporter v0.119.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/clickhouseexporter v0.119.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/cassandraexporter v0.119.0

exporter/bmchelixexporter/README.md

@@ -3,12 +3,13 @@
 <!-- status autogenerated section -->
 | Status        |           |
 | ------------- |-----------|
-| Stability     | [development]: metrics   |
-| Distributions | [] |
+| Stability     | [alpha]: metrics   |
+| Distributions | [contrib] |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aexporter%2Fbmchelix%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aexporter%2Fbmchelix) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aexporter%2Fbmchelix%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aexporter%2Fbmchelix) |
 | [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@bertysentry](https://www.github.com/bertysentry), [@NassimBtk](https://www.github.com/NassimBtk), [@MovieStoreGuy](https://www.github.com/MovieStoreGuy) |
 
-[development]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#development
+[alpha]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#alpha
+[contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
 <!-- end autogenerated section -->
 
 This exporter supports sending metrics to [BMC Helix Operations Management](https://www.bmc.com/it-solutions/bmc-helix-operations-management.html) through its [metric ingestion REST API](https://docs.bmc.com/docs/helixoperationsmanagement/244/en/metric-operation-management-endpoints-in-the-rest-api-1392780044.html).

exporter/bmchelixexporter/internal/metadata/generated_status.go

@@ -3,7 +3,7 @@ type: bmchelix
 status:
   class: exporter
   stability:
-    development: [metrics]
-  distributions: []
+    alpha: [metrics]
+  distributions: [contrib]
   codeowners:
     active: [bertysentry, NassimBtk, MovieStoreGuy]

exporter/bmchelixexporter/metadata.yaml

@@ -24,6 +24,7 @@ components:
         - awsxray
         - azuredataexplorer
         - azuremonitor
+        - bmchelix
         - carbon
         - cassandra
         - clickhouse