feat!: liberate VOICEVOX CORE #3161

Job	Run time
actionlint	11s
c-header	45s
rust-integration-test-strategy-matrix	1s
rust-lint	2m 35s
rust-unit-test	3m 22s
shellcheck	12s
validate-cargo-lock	20s
build-and-test-java-api (windows-latest)	6m 32s
build-and-test-java-api (macos-latest)	3m 4s
build-and-test-python-api (windows-latest)	5m 16s
build-and-test-python-api (macos-latest)	3m 33s
build-and-test-java-api (ubuntu-latest)	2m 52s
build-and-test-python-api (ubuntu-latest)	2m 57s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	1m 27s
build-windows-cpp-example	4m 8s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	1m 32s
rust-integration-test (macos-12)	2m 22s
rust-integration-test (ubuntu-20.04)	1m 40s
	42m 49s

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