Fix Clippy lints #2110

Job	Run time
actionlint	23s
build-and-test-java-api (windows-latest)	8m 42s
build-and-test-python-api (windows-latest)	13m 34s
build-and-test-java-api (macos-latest)	4m 4s
build-and-test-python-api (macos-latest)	5m 2s
build-and-test-java-api (ubuntu-latest)	5m 6s
build-windows-cpp-example	6m 15s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	2m 22s
build-and-test-python-api (ubuntu-latest)	3m 59s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	2m 29s
c-header	1m 16s
rust-integration-test-strategy-matrix	1s
rust-unit-test	5m 27s
rust-lint	11m 27s
shellcheck	19s
validate-cargo-lock	29s
rust-integration-test (windows-2019, directml)	4m 23s
rust-integration-test (macos-11)	2m 30s
rust-integration-test (ubuntu-20.04)	2m 6s
	1h 19m 54s

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