Add rake-compiler-dock as a dependency #1855

Job	Run time
🔘 Static (3.2.2, ubuntu-latest, stable)	10s
📥 Fetch CI data	1s
🧪 Test (2.7, ubuntu-latest, 1.65)	4m 20s
🧪 Test (2.7, ubuntu-latest, stable)	3m 56s
🧪 Test (2.7, macos-latest, stable)	4m 0s
🧪 Test (2.7, windows-2022, stable)	10m 17s
🧪 Test (3.0, ubuntu-latest, 1.65)	10s
🧪 Test (3.0, ubuntu-latest, stable)	10s
🧪 Test (3.0, macos-latest, stable)	12s
🧪 Test (3.0, windows-2022, stable)	50s
🧪 Test (3.1, ubuntu-latest, 1.65)	8s
🧪 Test (3.1, ubuntu-latest, stable)	11s
🧪 Test (3.1, windows-2022, stable)	1m 20s
🧪 Test (3.2, ubuntu-latest, 1.65)	5s
🧪 Test (3.2, ubuntu-latest, stable)	5s
🧪 Test (3.2, macos-latest, stable)	11s
🧪 Test (3.2, windows-2022, stable)	1m 17s
🧪 Test (3.3, ubuntu-latest, 1.65)	12s
🧪 Test (3.3, ubuntu-latest, stable)	10s
🧪 Test (3.3, macos-latest, stable)	11s
🧪 Test (3.3, windows-2022, stable)	2m 16s
🧪 Test (3.4, ubuntu-latest, 1.65)	6s
🧪 Test (3.4, ubuntu-latest, stable)	10s
🧪 Test (3.4, macos-latest, stable)	10s
🧪 Test (truffleruby, ubuntu-latest, stable)	15s
🧪 Test (truffleruby, macos-latest, stable)	15s
🧪 Test (mswin, windows-2022, stable-x86_64-pc-windows-msvc)	44s
	31m 52s

Provide feedback