Add regex support for Replacement selectors

[sda399]

• re-implement replacement target selector with regex support, in the patch selector spirit
• isolate select and reject functions to a new specialized struct
• related issue Replacement with regex support for selectors #5862

resolves: #5862

[linux-foundation-easycla]

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• ✅ login: sda399 / name: zepard (f1af7ad, 2a6481b, 8f75c39, dc0344b)

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[APPROVALNOTIFIER] This PR is NOT APPROVED

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[k8s-ci-robot]

This PR has multiple commits, and the default merge method is: merge.
You can request commits to be squashed using the label: tide/merge-method-squash

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[sda399]

/label tide/merge-method-squash

[koba1t]

/ok-to-test

[sda399]

/retest

@koba1t my pc panics on test runs on any branch, but linting is fixed

[sda399]

Added some examples for regex usage in krusty

edit: @koba1t open for discussion, any insight or feedback would be welcome, on feature or the implementation itself.
I can be available on other channel of communication, just let me know. 👍 :):