chore: PR to update pull request template (#7268)
chore: PR to update pull request template (#7268)

This PR will notify contributors to not submit any code changes to the main branch
GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold