fix: `ndkVersion` casing in `gradle.properties` #917

Job	Run time
build (macos, legacy-module, cpp)	11m 57s
build (macos, legacy-module, kotlin-swift)	11m 41s
build (macos, fabric-view, kotlin-objc)	4m 6s
build (macos, legacy-module, kotlin-objc)	11m 22s
build (macos, legacy-view, kotlin-swift)	3m 16s
build (macos, legacy-view, kotlin-objc)	10m 9s
build (macos, turbo-module, cpp)	2m 47s
build (macos, turbo-module, kotlin-objc)	9m 34s
build (ubuntu, fabric-view, kotlin-objc)	4m 1s
build (ubuntu, legacy-module, cpp)	3m 23s
build (ubuntu, legacy-module, kotlin-swift)	1m 34s
build (ubuntu, legacy-module, kotlin-objc)	3m 36s
build (ubuntu, legacy-view, kotlin-swift)	1m 34s
build (ubuntu, legacy-view, kotlin-objc)	3m 28s
build (ubuntu, library, js)	1m 50s
build (ubuntu, turbo-module, cpp)	3m 15s
build (ubuntu, turbo-module, kotlin-objc)	3m 28s
	1h 31m 1s

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