[chore][CICD] Always run tests on PRs (#6163) #12929

Job	Run time
setup-environment	1m 32s
cross-compile (binaries-darwin_amd64)	5m 13s
cross-compile (binaries-darwin_arm64)	5m 21s
coverage	12m 4s
cross-compile (binaries-linux_amd64)	5m 33s
generate-metrics	5m 50s
cross-compile (binaries-linux_arm64)	5m 23s
cross-compile (binaries-windows_amd64)	5m 15s
gofmt	7m 6s
lint	12m 28s
cross-compile (binaries-linux_ppc64le)	5m 15s
test	16m 54s
tidy	2m 16s
	1h 30m 10s

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