RC Release candidate (#8179)

* RC Release candidate

* Use the rc tag

.changeset/curvy-experts-jog.md

@@ -0,0 +1,31 @@
+---
+'@astrojs/cloudflare': major
+'@astrojs/partytown': major
+'@astrojs/tailwind': major
+'@astrojs/netlify': major
+'@astrojs/sitemap': major
+'@astrojs/preact': major
+'@astrojs/svelte': major
+'@astrojs/vercel': major
+'@astrojs/react': major
+'@astrojs/solid-js': major
+'@astrojs/deno': major
+'@astrojs/node': major
+'@astrojs/lit': major
+'@astrojs/mdx': major
+'@astrojs/vue': major
+'@astrojs/markdown-remark': major
+'create-astro': major
+'@astrojs/prism': major
+'@astrojs/rss': major
+'@astrojs/telemetry': major
+'astro': major
+'@astrojs/turbolinks': minor
+'@astrojs/alpinejs': minor
+'@astrojs/prefetch': minor
+'@astrojs/markdoc': minor
+'@astrojs/underscore-redirects': minor
+'@astrojs/internal-helpers': minor
+---
+
+Astro 3.0 Release Candidate

.changeset/pre.json

@@ -1,6 +1,6 @@
 {
   "mode": "pre",
-  "tag": "beta",
+  "tag": "rc",
   "initialVersions": {
     "astro": "2.9.6",
     "@astrojs/prism": "2.1.2",