build: bump Maturin to 1.8.1 #1608

Job	Run time
rust-lint	10m 2s
actionlint	21s
shellcheck	17s
build-and-test-java-api (windows-latest)	7m 43s
build-and-test-python-api (windows-latest)	8m 53s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	1m 43s
build-and-test-java-api (macos-latest)	3m 58s
build-and-test-python-api (macos-latest)	5m 54s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	1m 43s
build-and-test-java-api (ubuntu-latest)	3m 32s
build-windows-cpp-example	3m 42s
c-header	50s
build-and-test-python-api (ubuntu-latest)	5m 56s
rust-integration-test-strategy-matrix	1s
rust-unit-test	12m 30s
validate-cargo-lock	28s
rust-integration-test (macos-13)	10m 8s
rust-integration-test (ubuntu-20.04)	4m 44s
	1h 22m 25s

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