Bump gittools/actions from 3.1.1 to 3.2.1 #183

Job	Run time
CodeQL-Analyze	1m 51s
unit-test	1m 5s
analyze	2m 0s
build (ubuntu-latest)	32s
build (windows-latest)	5m 33s
Official Release to NuGet.org	0s
Official Release to GitHub Packages	0s
Publish to GitHub Packages	0s
	11m 1s

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