feat: support `opcode::RenameAt` (#289) #666

Job	Run time
test (x86_64-unknown-linux-gnu, stable)	4m 35s
test (x86_64-unknown-linux-gnu, nightly)	4m 14s
test (aarch64-unknown-linux-gnu, stable)	2m 50s
test (aarch64-unknown-linux-gnu, nightly)	2m 56s
test (armv7-unknown-linux-gnueabihf, stable)	3m 2s
test (armv7-unknown-linux-gnueabihf, nightly)	2m 56s
test (riscv64gc-unknown-linux-gnu, stable)	5m 4s
test (riscv64gc-unknown-linux-gnu, nightly)	3m 1s
test (s390x-unknown-linux-gnu, stable)	3m 0s
test (s390x-unknown-linux-gnu, nightly)	5m 10s
test (x86_64-apple-darwin, stable)	3m 54s
test (x86_64-apple-darwin, nightly)	4m 22s
test (aarch64-apple-darwin, stable)	3m 2s
test (aarch64-apple-darwin, nightly)	3m 3s
test (x86_64-pc-windows-gnu, stable)	3m 17s
test (x86_64-pc-windows-gnu, nightly)	3m 8s
test (x86_64-pc-windows-msvc, stable)	4m 11s
test (x86_64-pc-windows-msvc, nightly)	5m 9s
test (i686-pc-windows-gnu, stable)	8m 33s
test (i686-pc-windows-gnu, nightly)	8m 37s
test (i686-pc-windows-msvc, stable)	5m 14s
test (i686-pc-windows-msvc, nightly)	5m 17s
	1h 34m 35s

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