[chore] Automate release branch creation on tag push (#13240) #31419

Job	Run time
setup-environment	17s
govulncheck	43s
test-coverage	9m 19s
unittest-matrix (ubuntu-latest, ~1.24)	2m 49s
checks	2m 52s
lint	12m 20s
unittest-matrix (ubuntu-latest, ~1.23)	4m 58s
cross-build-collector (aix, ppc64)	56s
cross-build-collector (darwin, amd64)	1m 7s
cross-build-collector (linux, ppc64le)	1m 5s
cross-build-collector (linux, arm64)	52s
cross-build-collector (linux, amd64)	52s
cross-build-collector (linux, 386)	52s
cross-build-collector (linux, arm, 7)	1m 6s
cross-build-collector (darwin, arm64)	53s
cross-build-collector (linux, s390x)	1m 9s
cross-build-collector (windows, amd64)	54s
cross-build-collector (windows, 386)	58s
unittest	3s
	44m 5s

Provide feedback