Update ci.yml to add support for loongarch64 #1282

Job	Run time
macos-aarch64	1m 2s
macos	1m 56s
minver	11s
linux_native_builds (x86_64-unknown-linux-gnu)	1m 27s
linux_native_builds (x86_64-unknown-linux-musl)	1m 20s
rust_stable	1m 26s
rustfmt	4s
tier3 (x86_64-unknown-dragonfly)	57s
tier3 (x86_64-unknown-openbsd)	1m 0s
tier3 (x86_64-unknown-haiku)	52s
cross (arm-unknown-linux-gnueabi)	16s
cross_compiling (aarch64-linux-android)	32s
redox	37s
cross (armv7-unknown-linux-gnueabihf)	11s
cross_compiling (arm-linux-androideabi)	29s
cross (i686-unknown-linux-gnu)	14s
cross_compiling (armv7-linux-androideabi)	32s
cross (i686-unknown-linux-musl)	11s
cross_compiling (i686-linux-android)	33s
cross (mips-unknown-linux-gnu)	15s
cross_compiling (x86_64-linux-android)	31s
cross (mips64-unknown-linux-gnuabi64)	12s
cross_compiling (arm-unknown-linux-musleabi)	32s
cross (mips64el-unknown-linux-gnuabi64)	13s
cross_compiling (x86_64-unknown-fuchsia)	20s
cross (mipsel-unknown-linux-gnu)	12s
cross_compiling (x86_64-unknown-illumos)	25s
cross (powerpc64le-unknown-linux-gnu)	14s
cross_compiling (aarch64-apple-ios, true)	33s
cross (loongarch64-unknown-linux-gnu)	16s
cross_compiling (powerpc64-unknown-linux-gnu)	32s
cross_compiling (s390x-unknown-linux-gnu)	33s
cross_compiling (x86_64-unknown-linux-gnux32)	32s
cross_compiling (x86_64-unknown-netbsd)	25s
	19m 35s

Provide feedback