Add --version flag for protoc-gen-js #62

Job	Run time
build	9m 2s
package (macos-14, darwin_arm64, dist_zip)	6m 54s
package (windows-2022, x64_windows, dist_zip)	14m 3s
package (windows-2022, x64_x86_windows, dist_zip)	14m 49s
package (macos-13, darwin_x86_64, dist_zip)	22m 32s
	1h 7m 20s

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