Update Gradle versions to 7 #11991

Job	Run time
check_and_prepare	13s
build-android-ubuntu-20.04	6m 57s
build-desktop-ubuntu-20.04-x64-openssl	45m 35s
build-ios-macos-13	1h 37m 11s
build-android-macos-13	2m 30s
build-tvos-macos-13	1h 16m 20s
build-android-windows-latest	3m 54s
build-desktop-macos-13-x64-openssl	1h 37m 43s
build-desktop-windows-latest-x64-openssl	1h 36m 43s
test-android-ubuntu-20.04-android_target-gameloop	6s
test-android-ubuntu-20.04-emulator_ftl_target-gameloop	5s
test-android-macos-13-android_target-gameloop	11s
test-android-macos-13-emulator_ftl_target-gameloop	12s
test-android-windows-latest-android_target-gameloop	8s
test-android-windows-latest-emulator_ftl_target-gameloop	7s
test-tvos-macos-13-tvos_simulator	17m 47s
test-ios-macos-13-ios_target-gameloop	10m 28s
test-ios-macos-13-simulator_target-gameloop	33m 34s
test-desktop-ubuntu-20.04-x64-openssl	3m 25s
test-desktop-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.ssl_variant }}-custom-runner	0s
test-desktop-macos-13-x64-openssl	5m 13s
test-desktop-windows-latest-x64-openssl	5m 33s
summarize-results	16s
attempt-retry	0s
	8h 24m 11s

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