Implemented "Modified since last analysis" feature

[ElenaStroebele]

Description

Adds a project-level componentsChangedSinceAnalysis flag so clients can tell when the inventory changed after the last vulnerability analysis, without auto-starting analysis on manual edits. Includes ADR 036 documenting the decision and trade-offs.

Addressed Issue

#6931

Additional Details

Video.Project.mp4

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 updated the migration changelog accordingly
• This PR introduces new or alters existing behavior, and I have updated the documentation accordingly
• This PR is a substantial change (per the ADR criteria), and I have added an ADR under docs/adr/036-components-changed-since-analysis.md

[owasp-dt-bot]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Coverage 100.00% diff coverage · +0.00% coverage variation

Metric	Results
Coverage variation	✅ +0.00% coverage variation (-1.00%)
Diff coverage	✅ 100.00% diff coverage (70.00%)

View coverage diff in Codacy

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (b045ec6)	43929	38250	87.07%
Head commit (33198cc)	43939 (+10)	38260 (+10)	87.08% (+0.00%)

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 (#6932)	10	10	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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