Update vulnerabilities to use new Tool specification

[shaikhu]

According to the docs, since v1.5 the Tools format has been deprecated and a new format recommended. While the entity Metada has been updated to use the new format (new method setToolChoice), Vulnerability has not. This PR adds a similar method to Vulnerability.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.97%	✅ 97.84%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (134c36e)	6029	4400	72.98%
Head commit (691649c)	6264 (+235)	4632 (+232)	73.95% (+0.97%)

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 (#438)	278	272	97.84%

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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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

[mr-zepol]

@shaikhu new fields were introduced to the vulnerability class, so you might need to rebase and add them to the serializer you are creating

[mr-zepol]

+1 LGTM, I can run some tests after is merged and if I find something I can check with @shaikhu