add CI permission #3

Job	Run time
build-and-test (windows-latest, Debug)	48s
build-and-test (ubuntu-latest, Release)	8s
build-and-test (ubuntu-latest, Debug)	8s
build-and-test (macos-latest, Release)	12s
build-and-test (windows-latest, Release)	50s
build-and-test (macos-latest, Debug)	8s
	2m 14s

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