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Test the runner images in a dedicated `runner-images` PR check #745

Job	Run time
Per-language bundles (go, ubuntu-26.04, linked, autobuild)	1m 53s
Per-language bundles (java, ubuntu-26.04, linked, none)	1m 59s
Per-language bundles (python, ubuntu-26.04, linked)	1m 49s
Per-language bundles (swift, macos-26-xlarge, linked, autobuild)	7m 59s
Per-language bundles (cpp, ubuntu-26.04, linked, manual, gcc -o main main.c)	1m 22s
Per-language bundles (ruby, ubuntu-26.04, linked)	1m 42s
Per-language bundles (rust, ubuntu-26.04, linked)	3m 2s
Per-language bundles (csharp, ubuntu-26.04, linked, none)	2m 4s
Per-language bundles (javascript, ubuntu-26.04, linked)	1m 57s
Per-language bundles (actions, ubuntu-26.04, linked, actions javascript)	1m 45s
	25m 32s