Only run PR checks on Ubuntu by default #10429

Job	Run time
check-codeql-versions	38s
analyze-other (python)	1m 6s
analyze-other (actions)	54s
analyze-javascript (ubuntu-22.04, linked)	4m 12s
analyze-javascript (windows-2022)	5m 16s
analyze-javascript (ubuntu-24.04)	4m 16s
analyze-javascript (macos-14)	6m 41s
analyze-javascript (macos-13, linked)	6m 34s
analyze-javascript (windows-2022, linked)	6m 38s
analyze-javascript (macos-15)	7m 19s
analyze-javascript (windows-2025)	5m 19s
analyze-javascript (macos-15, linked)	5m 42s
analyze-javascript (macos-14, linked)	5m 18s
analyze-javascript (ubuntu-22.04)	4m 40s
analyze-javascript (ubuntu-24.04, linked)	4m 12s
analyze-javascript (windows-2025, linked)	6m 8s
analyze-javascript (macos-13)	8m 20s
	1h 23m 13s

Provide feedback