chore(release): Bump version to 21.0.0-rc.1

Signed-off-by: Joas Schilling <coding@schilljs.com>

appinfo/info.xml

@@ -18,7 +18,7 @@
 * 🌉 **Sync with other chat solutions** With [Matterbridge](https://github.com/42wim/matterbridge/) being integrated in Talk, you can easily sync a lot of other chat solutions to Nextcloud Talk and vice-versa.
 ]]></description>
 
-	<version>21.0.0-beta.2</version>
+	<version>21.0.0-rc.1</version>
 	<licence>agpl</licence>
 
 	<author>Anna Larch</author>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "talk",
-  "version": "21.0.0-beta.2",
+  "version": "21.0.0-rc.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "talk",
-      "version": "21.0.0-beta.2",
+      "version": "21.0.0-rc.1",
       "license": "agpl",
       "dependencies": {
         "@linusborg/vue-simple-portal": "^0.1.5",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "talk",
-  "version": "21.0.0-beta.2",
+  "version": "21.0.0-rc.1",
   "private": true,
   "description": "",
   "author": "Joas Schilling <coding@schilljs.com>",