[Task] Deploy oauth2-proxy in front of Cryostat, storage, db, jfr-datasource, and Grafana

[andrewazores]

References:

• https://github.com/cryostatio/cryostat-operator/wiki/Security-and-Authz#scenario
• https://github.com/cryostatio/cryostat3/blob/997f1419e77a5776b7e92368069ca007b86cb287/smoketest.bash#L161
• https://github.com/cryostatio/cryostat3/blob/997f1419e77a5776b7e92368069ca007b86cb287/smoketest/compose/auth_proxy.yml#L32
• https://github.com/cryostatio/cryostat3/blob/997f1419e77a5776b7e92368069ca007b86cb287/smoketest/compose/auth_proxy_alpha_config.yaml#L1

This either depends on #116 , or else --skip-auth-route can be used initially so that the proxy can be deployed on its own acting as a passthrough gateway and requiring no authentication on any requests.