chore: use new testing-tools image (#780) #24

Job	Run time
Detect relevant changed files	6s
Build/Publish arm64 Image	5m 18s
Run cargo-udeps	1m 53s
Build/Publish amd64 Image	6m 57s
Package/Publish 0.0.0-dev Helm Chart	25s
Publish/Sign 0.0.0-dev Index	32s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	22s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	22s
Failure Notification	0s
Finished Build and Publish	2s
	15m 57s

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