Add dependabot cooldowns #1466

Job	Run time
Test Ruby	25s
Lint Ruby / Run RuboCop	14s
Run Pact tests / Verify pact tests	43s
CodeQL SAST scan / Analyze	1m 11s
Dependency Review scan / dependency-review-pr	7s
Security Analysis / Run Brakeman	30s
Dependency Review scan / dependency-review-push	-1s
	3m 9s

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