Executor cache metrics (backport #22332)

[mergify]

This is an automatic backport of pull request #22332 done by Mergify.
Cherry-pick of 6d76db1 has failed:

On branch mergify/bp/v1.8/pr-22332
Your branch is up to date with 'origin/v1.8'.

You are currently cherry-picking commit 6d76db1de.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   runtime/src/bank.rs

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[mergify]

automerge label removed due to a CI failure

[mergify]

automerge label removed due to a CI failure

[solana-grimes]

😱 New commits were pushed while the automerge label was present.

[mergify]

automerge label removed due to a CI failure

[codecov]

Codecov Report

Merging #22367 (a3d8d04) into v1.8 (299a59f) will decrease coverage by 0.0%.
The diff coverage is 77.2%.

@@            Coverage Diff            @@
##             v1.8   #22367     +/-   ##
=========================================
- Coverage    81.5%    81.5%   -0.1%     
=========================================
  Files         459      459             
  Lines      130962   131010     +48     
=========================================
+ Hits       106843   106874     +31     
- Misses      24119    24136     +17     

[github-actions]

This PR has been automatically locked since there has not been any activity in past 14 days after it was merged.