Migrate MirrorVulnerabilityProcessor from Kafka Streams to Parallel Consumer

[nscuro]

Description

Migrates MirrorVulnerabilityProcessor from Kafka Streams to Parallel Consumer.

Warning

Depends on #552, please review and merge that first!

Addressed Issue

Relates to DependencyTrack/hyades#346
Relates to DependencyTrack/hyades#901
Relates to DependencyTrack/hyades#907

Additional Details

The processor defaults to ordering mode partition with a max concurrency matching the number of input partitions.

Ordering mode partition enables head-of-line blocking semantics, meaning the processor will continue retrying failing records instead of dropping them and proceeding to consume more.

This behavior is desirable because the dtrack.vulnerability topic is compacted, and records are never re-published unless the respective vulnerability has changed.

Checklist

• 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
• 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

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.01% (target: -1.00%)	✅ 83.33% (target: 70.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (1725d35)	18711	14568	77.86%
Head commit (4aa68ef)	18700 (-11)	14558 (-10)	77.85% (-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 (#553)	6	5	83.33%

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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