Merge pull request #919 from github/lcartey/cpp-conversions #3793

Job	Run time
Prepare CodeQL unit test matrix	4s
Run unit tests (c, 2.20.7, codeql-cli/v2.20.7, codeql-bundle-v2.20.7, ubuntu-latest-xl, codeql-cl...	35m 0s
Run unit tests (cpp, 2.20.7, codeql-cli/v2.20.7, codeql-bundle-v2.20.7, ubuntu-latest-xl, codeql-...	1h 35m 7s
Validate test results	6s
	2h 10m 17s

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