Bump gittools/actions from 3.1.1 to 4.0.1 #186

Job	Run time
build (ubuntu-latest)	19s
build (windows-latest)	31s
analyze	2m 11s
unit-test	1m 10s
CodeQL-Analyze	1m 51s
Publish to GitHub Packages	0s
Official Release to NuGet.org	0s
Official Release to GitHub Packages	0s
	6m 2s

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