Bump version to 4.2.2-stable #6

Job	Run time
📊 Static checks / Code style, file formatting, and docs	2m 47s
🍎 macOS / Editor (target=editor, tests=yes)	22m 0s
🍏 iOS / Template (target=template_release)	18m 28s
🍎 macOS / Template (target=template_release)	43m 10s
🤖 Android / Template (target=template_release)	27m 25s
🐧 Linux / Editor w/ Mono (target=editor)	33m 37s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	37m 27s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	30m 29s
🌐 Web / Template (target=template_release)	21m 53s
🏁 Windows / Editor (target=editor, tests=yes)	39m 32s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	26m 0s
🏁 Windows / Template (target=template_release)	28m 8s
🐧 Linux / Template w/ Mono (target=template_release)	21m 55s
🐧 Linux / Minimal template (target=template_release, everything disabled)	13m 20s
🪲 Godot CPP / Build and test Godot CPP	6m 44s
	6h 12m 55s

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