feat: update to beta (#12008)

* feat: update to beta

* chore: changeset

* Apply suggestions from code review

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

---------

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

.changeset/eight-days-sort.md

@@ -0,0 +1,12 @@
+---
+'astro': major
+'@astrojs/mdx': major
+'@astrojs/vue': major
+'@astrojs/markdown-remark': major
+---
+
+Welcome to the Astro 5 beta! This release has no changes from the latest alpha, but it does bring us one step closer to the final, stable release.
+
+Starting from this release, no breaking changes will be introduced unless absolutely necessary.
+
+To learn how to upgrade, check out the [Astro v5.0 upgrade guide in our beta docs site](https://5-0-0-beta.docs.astro.build/en/guides/upgrade-to/v5/).

.changeset/pre.json

@@ -1,6 +1,6 @@
 {
   "mode": "pre",
-  "tag": "alpha",
+  "tag": "beta",
   "initialVersions": {
     "astro": "4.13.1",
     "@astrojs/prism": "3.1.0",