Added projectUuid via MDC to logger statements within VEX upload.

[ElenaStroebele]

Description

Added MDC based logging for VEX upload to include projectUuid in logger statements and fixed a tiny little typo. Added basic test for the VexUploadProcessingTask.java.

Addressed Issue

Addressed issue #5608 .

Additional Details

Used ChatGPT and Copilot to understand existing codebase and suggest changes.

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: +0.29% (target: -1.00%)	:white_check_mark: 100.00% (target: 70.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (f325bebaed5ecd8bf8f9c821b3f68575fdade86e)	24092	19492	80.91%
Head commit (acdd764925832e14c2e7d7df3d14d747422b676e)	24094 (+2)	19563 (+71)	81.19% (+0.29%)

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 (#5615)	5	5	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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[ElenaStroebele]

@nscuro Please consider this PR in release 4.13.7.