Migrate RepositoryMetaResultProcessor from Kafka Streams to Parallel Consumer

[nscuro]

Description

Migrates RepositoryMetaResultProcessor 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 key with a max concurrency matching the number of input partitions.

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
✅ -0.02% (target: -1.00%)	✅ 94.87% (target: 70.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (3492bc1)	18586	14467	77.84%
Head commit (e6bf334)	18570 (-16)	14451 (-16)	77.82% (-0.02%)

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 (#554)	39	37	94.87%

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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