fix typo in Vegafusion 2.0 release notes title #1058

Job	Run time
build-vegafusion-wasm	4m 56s
build-vegafusion-python-linux-64	14m 36s
check-vegafusion-python	10m 34s
check-rust	3m 50s
test-rust (ubuntu-20.04)	20m 52s
test-rust (windows-2022)	34m 58s
test-rust (macos-14)	18m 26s
build-vegafusion-python-linux-arm64	15m 14s
build-vegafusion-python-osx-64	36m 4s
build-vegafusion-python-win-64	31m 9s
build-vegafusion-python-osx-arm64	13m 32s
build-vegafusion-server-linux-64	10m 10s
build-vegafusion-server-linux-arm64	8m 44s
build-vegafusion-server-osx-64	30m 58s
build-vegafusion-server-osx-arm64	12m 54s
build-vegafusion-server-win-64	30m 15s
test-vegafusion-python-linux-64	26m 6s
test-vegafusion-python-osx-arm64	1m 15s
test-vegafusion-python-win-64	1m 39s
bundle-vegafusion-python-wheels	7s
bundle-vegafusion-server-builds	6s
	5h 26m 25s

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