Switch back to main branch which has the token passing for codecov (#7) #14

Job	Run time
call-codecov / coverage	19s
call-codeql / Analyze (go)	1m 17s
call-gochecks / check (ubuntu-latest)	29s
call-gochecks / check (windows-latest)	1m 54s
call-gochecks / check (macos-latest)	21s
	4m 20s

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