fix: update chart meta

Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: forgejo
-description: Forgjo Helm chart for Kubernetes
+description: Forgejo Helm chart for Kubernetes
 type: application
 version: 0.0.0
 appVersion: 1.18.0-1
@@ -11,22 +11,13 @@ keywords:
   - issue tracker
   - code review
   - wiki
+  - forgejo
   - gitea
   - gogs
 sources:
   - https://codeberg.org/forgejo-contrib/forgejo-helm
   - https://codeberg.org/forgejo/forgejo
 maintainers:
-  - name: Charlie Drage
-    email: charlie@charliedrage.com
-  - name: Gitea Authors
-    email: maintainers@gitea.io
-  - name: Konrad Lother
-    email: konrad.lother@novum-rgi.de
-  - name: Lucas Hahn
-    email: lucas.hahn@novum-rgi.de
-  - name: Steven Kriegler
-    email: sk.bunsenbrenner@gmail.com
   - name: Michael Kriese
     email: michael.kriese@visualon.de