v1.18: Fix - program loading with effective slot at epoch boundary (backport of #35283)

[mergify]

This is an automatic backport of pull request #35283 done by Mergify.
Cherry-pick of 2891ce8 has failed:

On branch mergify/bp/v1.18/pr-35283
Your branch is up to date with 'origin/v1.18'.

You are currently cherry-picking commit 2891ce886b.
  (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)

Changes to be committed:
	modified:   runtime/src/bank/tests.rs

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   svm/src/transaction_processor.rs

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

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[codecov]

Codecov Report

Attention: Patch coverage is 97.43590% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 81.6%. Comparing base (b369831) to head (8a57e2b).

Additional details and impacted files

@@           Coverage Diff            @@
##            v1.18   #35302    +/-   ##
========================================
  Coverage    81.6%    81.6%            
========================================
  Files         827      827            
  Lines      224081   224117    +36     
========================================
+ Hits       182879   182994   +115     
+ Misses      41202    41123    -79