Use local Go cache on self-hosted Linux #14

Job	Run time
run / Go Test (ubuntu-latest)	2m 20s
run / lint	2m 20s
run / Desktop Unit Tests (Windows)	2m 7s
run / docs	2m 20s
run / frontend	2m 20s
run / scripts	2m 20s
run / frontend-node-25	2m 20s
run / integration	2m 20s
run / Go Test (windows-latest)	2m 9s
run / coverage	2m 21s
run / e2e	2m 19s
	25m 16s

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