Add ability to pass in additional-properties in vc create (#399) #918

Job	Run time
Build x86_64-apple-darwin target	4m 45s
assert_full_test_suite	8s
Build aarch64-apple-darwin target	2m 29s
Build x86_64-pc-windows-msvc target	5m 39s
Build x86_64-unknown-linux-gnu target	3m 50s
Build x86_64-unknown-linux-musl target	6m 26s
lint	2m 35s
rust-test	3m 16s
rust-test-vectors	4m 28s
test (ubuntu-latest)	2m 52s
test (macos-latest)	2m 23s
test (windows-latest)	5m 2s
kotlin-build-test-deploy-snapshot	1m 46s
kotlin-acceptance-test (ubuntu-latest)	11s
kotlin-acceptance-test (macos-latest)	18s
kotlin-acceptance-test (macos-12)	22s
kotlin-acceptance-test (windows-latest)	26s
	46m 56s

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