[skip changelog] Update Go and Python versions on CI

.github/workflows/i18n-nightly-push.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.15"
 
       - name: Install Taskfile
         uses: Arduino/actions/setup-taskfile@master

.github/workflows/i18n-weekly-pull.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.15"
 
       - name: Install Go deps
         run: |

.github/workflows/link-validation.yaml

@@ -24,7 +24,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.15"
 
       - name: Installs Go dependencies
         shell: bash
@@ -38,7 +38,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: "3.6"
+          python-version: "3.8"
           architecture: "x64"
 
       - name: Cache dependencies

.github/workflows/publish-docs.yaml

@@ -28,9 +28,9 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Go
-        uses: actions/setup-go@v2-beta
+        uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.15"
 
       - name: Install Go dependencies
         run: |
@@ -45,7 +45,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: "3.6"
+          python-version: "3.8"
           architecture: "x64"
 
       - name: Cache dependencies

.github/workflows/test.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.15"
 
       - name: Install Go deps
         # Since 10/23/2019 pwsh is the default shell

.github/workflows/validate-docs.yaml

@@ -36,9 +36,9 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Go
-        uses: actions/setup-go@v2-beta
+        uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.15"
 
       - name: Install Go dependencies
         run: |
@@ -53,7 +53,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: "3.6"
+          python-version: "3.8"
           architecture: "x64"
 
       - name: Cache dependencies

Taskfile.yml

@@ -92,7 +92,7 @@ tasks:
   build:
     desc: Build the project
     cmds:
-      - go build -v -i {{.LDFLAGS}}
+      - go build -v {{.LDFLAGS}}
 
   test:
     desc: Run the full testsuite, `legacy` will be skipped

docs/CONTRIBUTING.md

@@ -29,7 +29,7 @@ submitting a PR:
 
 To build the Arduino CLI from sources you need the following tools to be available in your local environment:
 
-- [Go][1] version 1.12 or later
+- [Go][1] version 1.15 or later
 - [Taskfile][2] to help you run the most common tasks from the command line
 
 If you want to run integration tests you will also need:

docsgen/go.mod

@@ -6,5 +6,5 @@ replace github.com/arduino/arduino-cli => ../
 
 require (
 	github.com/arduino/arduino-cli v0.0.0
-	github.com/spf13/cobra v1.0.0
+	github.com/spf13/cobra v1.0.1-0.20200710201246-675ae5f5a98c
 )