chore: use new testing-tools image (#740) #28

Job	Run time
Detect relevant changed files	5s
Run cargo-udeps	1m 51s
Build/Publish arm64 Image	5m 6s
Build/Publish amd64 Image	6m 32s
Package/Publish 0.0.0-dev Helm Chart	23s
Publish/Sign 0.0.0-dev Index	31s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	21s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	19s
Failure Notification	0s
Finished Build and Publish	2s
	15m 10s

Provide feedback