[exporter/azureblob] Support append blob

[hgaol]

Component(s)

exporter/azureblob

Is your feature request related to a problem? Please describe.

Currently the azureblob exporter uses block blob to ingest data. This ask is to support append blob which is useful for large dataset scenarios.

Describe the solution you'd like

provide a switch to enable append blob

Describe alternatives you've considered

No response

Additional context

I'll implement this feature.

[github-actions]

Pinging code owners:

• exporter/azureblob: @hgaol

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