Add per-metric stability guidelines

[djaglowski]

trafficstars

Resolves (contrib)#9963.

Possibly these should be defined in contrib or in a separate file. I'd appreciate feedback on the guidelines themselves as well as appropriate placement in the documentation.

[codecov[bot]]

Codecov Report

Merging #5487 (7f39f31) into main (0bc2777) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #5487   +/-   ##
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  Coverage   90.79%   90.79%           
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  Files         193      193           
  Lines       11430    11430           
=======================================
  Hits        10378    10378           
  Misses        830      830           
  Partials      222      222           

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[github-actions[bot]]

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

[djaglowski]

A closely related issue was opened on the spec repo at roughly the same time as this proposal was drafted. I think that issue should be resolved before this moves forward.

[github-actions[bot]]

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

[github-actions[bot]]

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

[github-actions[bot]]

Closed as inactive. Feel free to reopen if this PR is still being worked on.