Add `cooldown` settings for Dependabot #11280

Job	Run time
analyze-other (actions)	50s
check-codeql-versions	33s
analyze-other (python)	56s
analyze-javascript (windows-2022)	5m 17s
analyze-javascript (ubuntu-22.04)	4m 39s
analyze-javascript (windows-2025, linked)	6m 24s
analyze-javascript (ubuntu-24.04)	4m 46s
analyze-javascript (windows-2022, linked)	6m 38s
analyze-javascript (ubuntu-22.04, linked)	4m 32s
analyze-javascript (macos-14)	8m 10s
analyze-javascript (ubuntu-24.04, linked)	4m 37s
analyze-javascript (macos-15, linked)	11m 58s
analyze-javascript (windows-2025)	6m 31s
analyze-javascript (macos-15)	9m 54s
analyze-javascript (macos-14, linked)	12m 27s
	1h 28m 12s

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