Adding go.sum back #82

Job	Run time
lint	2m 27s
integration tests (ubuntu)	21s
cross-compilation (GOOS=darwin, GOARCH=amd64)	17s
integration tests (windows)	6m 11s
tests (macos/go-1.21/amd64)	1m 21s
cross-compilation (GOOS=darwin, GOARCH=arm64)	23s
tests (ubuntu/go-1.21/386)	1m 10s
cross-compilation (GOOS=freebsd, GOARCH=amd64)	20s
tests (ubuntu/go-1.21/amd64)	1m 9s
cross-compilation (GOOS=freebsd, GOARCH=arm64)	19s
tests (windows/go-1.21/386)	1m 7s
cross-compilation (GOOS=linux, GOARCH=amd64)	23s
tests (windows/go-1.21/amd64)	1m 7s
cross-compilation (GOOS=linux, GOARCH=arm64)	22s
tests (macos/go-1.22/amd64)	1m 3s
cross-compilation (GOOS=windows, GOARCH=amd64)	17s
tests (ubuntu/go-1.22/386)	33s
cross-compilation (GOOS=windows, GOARCH=arm64)	22s
tests (ubuntu/go-1.22/amd64)	33s
tests (windows/go-1.22/386)	1m 6s
tests (windows/go-1.22/amd64)	40s
	21m 31s

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