docker: build apps in release mode #5881

Job	Run time
quiche	4m 1s
quiche (boringssl-boring-crate)	2m 56s
docker	1m 47s
quiche (openssl)	5m 42s
http3_test	44s
quiche_ios (x86_64-apple-ios)	1m 9s
quiche_multiarch (aarch64-unknown-linux-gnu)	3m 4s
quiche_macos (macos-13)	3m 51s
quiche_ios (aarch64-apple-ios)	1m 29s
quiche_multiarch (armv7-unknown-linux-gnueabihf)	3m 30s
quiche_macos (macos-latest)	1m 51s
quiche_multiarch (i686-unknown-linux-gnu)	1m 47s
quiche_windows (x86_64-pc-windows-msvc)	4m 14s
quiche_windows (i686-pc-windows-msvc)	4m 32s
quiche_windows (x86_64-pc-windows-gnu)	6m 42s
quiche_windows (i686-pc-windows-gnu)	6m 32s
android_ndk_lts (aarch64-linux-android)	1m 8s
android_ndk_lts (armv7-linux-androideabi)	56s
android_ndk_lts (x86_64-linux-android)	1m 2s
android_ndk_lts (i686-linux-android)	1m 1s
	57m 58s

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