SKIP UPGRADE: Fix Keycloak in Master CI

Add the conditionals needed for enabling keycloak in master properly.

Closes https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/787

Skip upgrade because git checkout master......

error: Your local changes to the following files would be overwritten by checkout:
	tests/ci/k3d/deploy_k3d.sh
	tests/ci/k3d/metallb/install_metallb.sh
Please commit your changes or stash them before you switch branches.
Aborting

I think this is cause of the chmod +x...