devops: ignore tests in CodeQL checks #2696

Job	Run time
Java_21 (chromium)	4m 48s
stable (ubuntu-latest, chrome)	6m 48s
Java_21 (firefox)	10m 50s
Java_21 (webkit)	8m 3s
stable (windows-latest, chrome)	10m 13s
dev (ubuntu-latest, chromium)	7m 27s
stable (macos-latest, chrome)	9m 37s
dev (ubuntu-latest, firefox)	12m 20s
stable (windows-latest, msedge)	16m 47s
stable (macos-latest, msedge)	24m 21s
dev (ubuntu-latest, webkit)	10m 4s
dev (windows-latest, chromium)	8m 10s
dev (windows-latest, firefox)	14m 14s
dev (windows-latest, webkit)	9m 25s
dev (macos-latest, chromium)	7m 2s
dev (macos-latest, firefox)	10m 34s
dev (macos-latest, webkit)	11m 8s
	3h 1m 51s

Provide feedback