Add .git-blame-ignore-revs #1863

Job	Run time
test (ubuntu-latest)	13s
test (ubuntu-22.04-arm)	15s
test (ubuntu-latest, aarch64-unknown-linux-gnu)	1m 3s
test (ubuntu-latest, aarch64-unknown-linux-gnu, cargo)	36s
test (ubuntu-latest, x86_64-unknown-linux-gnu.2.17, cargo-zigbuild)	30s
test (ubuntu-latest, x86_64-pc-windows-gnu)	1m 21s
test (macos-latest, sha256,sha512,sha1,md5)	19s
test (macos-13, sha256,sha512,sha1,md5)	22s
test (macos-latest, sha256,sha512,sha1,md5, x86_64-apple-darwin)	20s
test (macos-latest, sha256,sha512,sha1,md5, aarch64-apple-darwin)	16s
test (macos-latest, sha256,sha512,sha1,md5, universal-apple-darwin)	20s
test (macos-latest, sha256,sha512,sha1,md5, universal-apple-darwin, cargo)	23s
test (windows-latest)	53s
test (windows-latest, aarch64-pc-windows-msvc)	56s
tidy / prepare	2s
tidy / codegen	0s
tidy / check-external-types	0s
tidy / deny	0s
tidy / clippy	0s
tidy / tidy	43s
tidy / docs	0s
	8m 32s

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