CHANGE: @W-19397345@: Use provided workingFolder instead of creating new temp dirs #1376

Job	Run time
run_tests (ubuntu-latest)	11m 47s
check_for_postrelease_keyword	3s
run_tests (macos-latest)	8m 21s
run_tests (windows-latest)	13m 59s
validate_pr_title	2s
validate_packages	35s
	34m 47s

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