Update resource limits to be higher to account for higher mem reqs.

• Iss #5 (closed) - Update base Jenkins + staging k8s to use latest-staging tag

Resolves #5 (closed)

• Update resource limits to be higher to account for higher mem reqs.

When switching to Quarkus 3.x, there have been more issues with startup times and memory limitations. 256Mi is not quite enough to start in a timely fashion and have room to properly create caches.