feat(policy): add Internal Status policy condition support

[ch8matt]

Description

This PR adds support for a new policy condition subject: IS_INTERNAL. It allows policies to match whether a component is classified as internal. https://github.com/DependencyTrack/frontend/pull/1394

Addressed Issue

Additional Details

Checklist

• [x] I have read and understand the contributing guidelines
• [ ] This PR fixes a defect, and I have provided tests to verify that the fix is effective
• [x] This PR implements an enhancement, and I have provided tests to verify that it works as intended
• [ ] This PR introduces changes to the database model, and I have added corresponding update logic
• [ ] This PR introduces new or alters existing behavior, and I have updated the documentation accordingly

[owasp-dt-bot]

:white_check_mark: Snyk checks have passed. No issues have been found so far.

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:white_check_mark:	Open Source Security	0	0	0	0	0 issues

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[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.01% (target: -1.00%)	:white_check_mark: 100.00% (target: 70.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (fa1eb0bb4c1ecf87d231a21e077055acb6b8b59d)	24093	19492	80.90%
Head commit (eb01f1943a1ea4bed84b2276d1f1dc6a57bfb7a2)	24108 (+15)	19507 (+15)	80.92% (+0.01%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#5570)	15	15	100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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