[GH Action] Update release tags and commit SHAs for arabica (#2128)

* [automated GH action] update latest release tags & commit sha (arabica)

* Apply suggestions from code review

---------

Co-authored-by: jcstein <jcstein@users.noreply.github.com>
Co-authored-by: Josh Stein <46639943+jcstein@users.noreply.github.com>

Author: celestia-bot

.vitepress/constants/arabica_versions.js

@@ -1,6 +1,6 @@
 const arabicaVersions = Object.freeze({
-  "app-latest-tag": "v4.0.6-arabica",
-  "app-latest-sha": "e8532b64d1f4fd31ea4764d8df21ee52c566abd3",
+  "app-latest-tag": "v4.0.7-arabica",
+  "app-latest-sha": "5e388903a058a7dfd8532a841a23f9764aa234c4",
   "node-latest-tag": "v0.23.2-arabica",
   "node-latest-sha": "43dcbaad775cd4827c536c107d62a2c13b772bc0",
 });