chore(deps): update actions/stale action to v8

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
actions/stale	action	major	v7 -> v8

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Release Notes

actions/stale

v8

Compare Source

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Configuration

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[codecov]

Codecov Report

Merging #3699 (d15da64) into main (dc94696) will decrease coverage by 1.99%.
The diff coverage is n/a.

❗ Current head d15da64 differs from pull request most recent head e7eb7f3. Consider uploading reports for the commit e7eb7f3 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3699      +/-   ##
==========================================
- Coverage   93.65%   91.67%   -1.99%     
==========================================
  Files         277      149     -128     
  Lines        8462     3338    -5124     
  Branches     1756      660    -1096     
==========================================
- Hits         7925     3060    -4865     
+ Misses        537      278     -259     

see 137 files with indirect coverage changes