Bump rake-compiler/rake-compiler-dock-image from 1.5.2-mri-x86-mingw32 to 1.6.0-mri-x86-mingw32 in /docker #1744

Job	Run time
🔘 Static (3.2.2, ubuntu-latest, stable)	4m 25s
📥 Fetch CI data	1s
🧪 Test (2.7, ubuntu-latest, 1.65)	6m 41s
🧪 Test (2.7, ubuntu-latest, stable)	3m 13s
🧪 Test (2.7, windows-2022, stable)	15m 23s
🧪 Test (3.0, ubuntu-latest, 1.65)	4m 14s
🧪 Test (3.0, ubuntu-latest, stable)	4m 34s
🧪 Test (3.0, macos-latest, stable)	5m 21s
🧪 Test (3.0, windows-2022, stable)	11m 26s
🧪 Test (3.1, ubuntu-latest, 1.65)	4m 47s
🧪 Test (3.1, ubuntu-latest, stable)	4m 53s
🧪 Test (3.1, windows-2022, stable)	11m 57s
🧪 Test (3.2, ubuntu-latest, 1.65)	6m 26s
🧪 Test (3.2, ubuntu-latest, stable)	2m 34s
🧪 Test (3.2, macos-latest, stable)	4m 2s
🧪 Test (3.2, windows-2022, stable)	15m 26s
🧪 Test (3.3, ubuntu-latest, 1.65)	6m 23s
🧪 Test (3.3, ubuntu-latest, stable)	2m 35s
🧪 Test (3.3, macos-latest, stable)	4m 8s
🧪 Test (3.3, windows-2022, stable)	12m 33s
🧪 Test (3.4.0-preview2, ubuntu-latest, 1.65)	4m 14s
🧪 Test (3.4.0-preview2, ubuntu-latest, stable)	4m 45s
🧪 Test (3.4.0-preview2, macos-latest, stable)	4m 21s
🧪 Test (truffleruby, ubuntu-latest, stable)	4m 30s
🧪 Test (truffleruby, macos-latest, stable)	5m 23s
🧪 Test (ruby-debug, ubuntu-24.04, stable)	4m 53s
🧪 Test (mswin, windows-2022, stable-x86_64-pc-windows-msvc)	8m 23s
	2h 47m 31s

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