[filter] mark module as stable

[atoulme]

Description

Move filter module to stable.

Link to tracking issue

Fixes #10349

This PR can be merged after https://github.com/open-telemetry/opentelemetry-collector/pull/10362 is merged.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.36%. Comparing base (72c23aa) to head (82150c5). Report is 65 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #10363   +/-   ##
=======================================
  Coverage   92.36%   92.36%           
=======================================
  Files         386      386           
  Lines       18402    18402           
=======================================
  Hits        16997    16997           
  Misses       1052     1052           
  Partials      353      353           

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[atoulme]

https://github.com/open-telemetry/opentelemetry-collector/issues/10349#issuecomment-2192070652 From @dmitryax

This is very new package. Should be considered experimental for now. I don't think it's ready for 1.0. I would suggest holding off on this one and focus on other modules for now

[github-actions[bot]]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[atoulme]

Let's not do it yet. Closing.