[vvm-async-api] Add: ユーザー辞書APIを追加 #1735

Job	Run time
rust-lint	3m 50s
actionlint	28s
validate-cargo-lock	35s
build-python-api (windows-latest)	11m 48s
build-python-api (macos-latest)	7m 27s
build-python-api (ubuntu-latest)	4m 10s
rust-test (windows-2019)	5m 16s
rust-test (windows-2022)	4m 51s
rust-test (windows-2019, directml)	4m 53s
rust-test (windows-2022, directml)	7m 9s
rust-test (macos-11)	3m 37s
rust-test (macos-12)	6m 16s
rust-test (ubuntu-20.04)	2m 37s
rust-test (ubuntu-22.04)	3m 13s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	4m 26s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	2m 29s
build-windows-cpp-example	6m 7s
c-header	1m 14s
shellcheck	23s
	1h 20m 49s

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