Unify duplicate transitive JavaScript dependencies, Drop Vega-Lite 4.17 #427

Job	Run time
rust-fmt-clippy	58s
codegen-clean	46s
black-lint	10s
cargo-bundle-license	58s
vl-convert-python-tests (ubuntu-latest, 3.10, bash -l {0})	6m 48s
vl-convert-rs-tests (ubuntu-latest)	8m 48s
vl-convert-python-tests (windows-2022, 3.10, pwsh)	6m 56s
vl-convert-rs-tests (windows-2022)	10m 19s
vl-convert-python-tests (macos-11, 3.10, bash -l {0})	7m 35s
vl-convert-rs-tests (macos-11)	10m 41s
	53m 59s

Provide feedback