v1.17: Set root slot/epoch in cache constructor (backport of #34447)

[mergify]

This is an automatic backport of pull request #34447 done by Mergify.
Cherry-pick of 47dab26 has failed:

On branch mergify/bp/v1.17/pr-34447
Your branch is up to date with 'origin/v1.17'.

You are currently cherry-picking commit 47dab26857.
  (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.rs

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

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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[codecov]

Codecov Report

Merging #34460 (b77c25d) into v1.17 (4d131b0) will decrease coverage by 0.1%.
The diff coverage is 94.4%.

Additional details and impacted files

@@            Coverage Diff            @@
##            v1.17   #34460     +/-   ##
=========================================
- Coverage    81.8%    81.8%   -0.1%     
=========================================
  Files         803      803             
  Lines      218167   218171      +4     
=========================================
- Hits       178510   178501      -9     
- Misses      39657    39670     +13