Add MatchedIndices functionality for certificate transparency

[linus-sun]

Summary

Per this doc, this PR adds the MatchedIndices function for certificate transparency logs, which filtered a set of certificate transparency logs entries on certificate identities and object identifier fields to find matching entries in preparation for setting up the certificate transparency monitor workflow.

This PR depends on #526 and #527.

Release Note

NONE

Documentation

N/A

[codecov]

Codecov Report

Attention: Patch coverage is 48.38710% with 16 lines in your changes missing coverage. Please review.

Project coverage is 62.81%. Comparing base (d271ec7) to head (7cae27c).
Report is 173 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/ct/monitor.go	48.38%	14 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #535      +/-   ##
==========================================
- Coverage   64.02%   62.81%   -1.22%     
==========================================
  Files           4       17      +13     
  Lines         303     1366    +1063     
==========================================
+ Hits          194      858     +664     
- Misses         78      424     +346     
- Partials       31       84      +53     

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[haydentherapper]

LGTM pending other PRs.

[haydentherapper]

LGTM pending the other PR!

[haydentherapper]

@linus-sun There's a lint failure.