gitea: Restore s6 init because of git zombie processes

gitea/application.yaml

@@ -53,10 +53,6 @@ spec:
       containers:
         - name: gitea
           image: gitea/gitea:1.20.1
-          command:
-            - /bin/bash
-            - -c
-            - '/etc/s6/gitea/setup && /etc/s6/gitea/run'
           env:
             - name: GITEA_____APP_NAME
               value: Gitea
@@ -205,3 +201,5 @@ spec:
   - port: 443
     name: https
     targetPort: 3000
+  sessionAffinity: ClientIP
+  publishNotReadyAddresses: true