Improve FollowXUntilHit

[morbitzer]

FollowXUntil hit can take a very long time / infinite when recursion is involved.
Also it should be more efficient, e.g. by caching already searched paths.

PR also contains a fix for the PointsToPass that improves handling of PMVs during recursion

[codecov]

Codecov Report

❌ Patch coverage is 69.56522% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.18%. Comparing base (aeb76d2) to head (b0acad4).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...lin/de/fraunhofer/aisec/cpg/passes/PointsToPass.kt	69.56%	3 Missing and 4 partials ⚠️

❌ Your patch check has failed because the patch coverage (69.56%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

Files with missing lines	Coverage Δ
...lin/de/fraunhofer/aisec/cpg/passes/PointsToPass.kt	84.93% <69.56%> (+0.13%)	⬆️

... and 4 files with indirect coverage changes

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