chore: rename headful -> headed (#1835) #2775

Job	Run time
Java_21 (firefox)	12m 21s
stable (windows-latest, msedge)	16m 24s
Java_21 (chromium)	7m 15s
Java_21 (webkit)	8m 13s
stable (windows-latest, chrome)	8m 53s
stable (ubuntu-latest, chrome)	6m 42s
stable (macos-latest, msedge)	24m 19s
dev (ubuntu-latest, firefox)	12m 55s
dev (ubuntu-latest, webkit)	9m 14s
dev (ubuntu-latest, chromium)	6m 39s
dev (windows-latest, firefox)	14m 53s
dev (windows-latest, webkit)	8m 46s
stable (macos-latest, chrome)	15m 37s
dev (macos-latest, webkit)	20m 36s
dev (macos-latest, chromium)	7m 21s
dev (macos-latest, firefox)	16m 29s
dev (windows-latest, chromium)	7m 12s
	3h 23m 49s

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