fix(metrics): metadata and dimensions not cleared on publish

[shdq]

Description of your changes

To fix this bug, clearDimensions(); and clearMetadata(); are added to publishStoredMetrics() method to clear metadata and dimensions.

Bug described and reproduced in #1115.

How to verify this change

Related issues, RFCs

Issue number: #1115

PR status

Is this ready for review?: YES
Is it a breaking change?: NO

Checklist

• My changes meet the tenets criteria
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in areas that should be flagged with a TODO, or hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding changes to the examples
• My changes generate no new warnings
• The code coverage hasn't decreased
• I have added tests that prove my change is effective and works
• New and existing unit tests pass locally and in Github Actions
• Any dependent changes have been merged and published in downstream module
• The PR title follows the conventional commit semantics

Breaking change checklist

• I have documented the migration process
• I have added, implemented necessary warnings (if it can live side by side)

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[dreamorosi]

Thank you for your contribution.

The changes seem appropriate to me and the automated checks are green.

I have requested a second review by one of the other maintainers before merging.

[shdq]

Thank you, Andrea @dreamorosi. If you need help with other issues, feel free to mention me.

Doubt on Unit test . neeed a sec to review

[shdq]

Hello @flochaz, what is your doubt? Should I add more or fix existing tests?

[flochaz]

Hello @flochaz, what is your doubt? Should I add more or fix existing tests?

Sorry got dragged on something else. Double checked and all good. approving. thx a lot for the work

[dreamorosi]

Hi @shdq, the PR is merged and the change will be available in the next release. Congrats for getting your first PR merged in this project 🎉

To answer your question, I would start with issues that have the good-first-issue, or consider this one. If instead there's any other issue that interests you (except ones for Parameters & Idempotency which are already been worked on), feel free to comment under it & tag me and I'll be happy to give you more info.