add connection_close frame to h3i #5307

Job	Run time
quiche	3m 24s
quiche (boringssl-boring-crate)	3m 40s
quiche (openssl)	3m 41s
quiche_ios (x86_64-apple-ios)	1m 22s
quiche_macos (macos-13)	3m 55s
quiche_ios (aarch64-apple-ios)	1m 16s
quiche_windows (x86_64-pc-windows-msvc)	2m 52s
quiche_macos (macos-latest)	1m 40s
quiche_windows (i686-pc-windows-msvc)	3m 39s
quiche_windows (x86_64-pc-windows-gnu)	5m 11s
quiche_windows (i686-pc-windows-gnu)	5m 17s
android_ndk_lts (aarch64-linux-android)	56s
docker	3m 52s
android_ndk_lts (armv7-linux-androideabi)	1m 18s
android_ndk_lts (x86_64-linux-android)	57s
android_ndk_lts (i686-linux-android)	56s
http3_test	42s
nginx (1.16.1)	52s
quiche_multiarch (aarch64-unknown-linux-gnu)	3m 18s
quiche_multiarch (armv7-unknown-linux-gnueabihf)	3m 15s
quiche_multiarch (i686-unknown-linux-gnu)	1m 42s
	53m 45s

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