C API用のzipファイルからmodelディレクトリをなくし、別でmodelダウンロード可能にする #2117

Job	Run time
actionlint	23s
c-header	1m 32s
rust-integration-test-strategy-matrix	1s
rust-lint	3m 55s
rust-unit-test	5m 2s
shellcheck	15s
validate-cargo-lock	32s
build-and-test-java-api (windows-latest)	8m 47s
build-and-test-java-api (macos-latest)	5m 4s
build-and-test-java-api (ubuntu-latest)	3m 40s
build-and-test-python-api (windows-latest)	11m 27s
build-and-test-python-api (macos-latest)	39m 12s
build-and-test-python-api (ubuntu-latest)	3m 58s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	3m 51s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	2m 47s
build-windows-cpp-example	6m 58s
rust-integration-test (windows-2019, directml)	4m 16s
rust-integration-test (macos-11)	2m 24s
rust-integration-test (ubuntu-20.04)	1m 38s
	1h 45m 42s

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