Implement `Conversions` rule package #3098

Job	Run time
Run Guideline Recategorization tests	12s
Prepare supported CodeQL environment matrix	9s
Run release tests	17s
Run analysis report tests (2.19.4, codeql-cli/v2.19.4, codeql-bundle-v2.19.4)	8m 23s
	9m 1s

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