Release 0.12.0

Updated

• Add Vega-Lite 5.12, 5.13, and 5.14 and remove 5.3, 5.4, and 5.5 by @jonmmease in (#83, #88)
• Update deno to 1.36.1, tokio to 1.28.1, and testing fixes by @jonmmease in #89

Full Changelog: v0.11.2...v0.12.0