fix: Don't allow empty passwords

values/matomo/values/values-prod.yaml

@@ -92,7 +92,7 @@ customPostInitScripts: {}
 ## @param allowEmptyPassword Allow DB blank passwords
 ## ref: https://github.com/bitnami/containers/tree/main/bitnami/matomo#environment-variables
 ##
-allowEmptyPassword: true
+allowEmptyPassword: false
 ## @param command Override default container command (useful when using custom images)
 ##
 command: []
@@ -601,7 +601,7 @@ mariadb:
     ## ref: https://github.com/bitnami/containers/blob/main/bitnami/mariadb/README.md#creating-a-database-user-on-first-run
     ##
     username: bn_matomo
-    password: "mylove"
+    password: ""
   primary:
     ## Enable persistence using Persistent Volume Claims
     ## ref: https://kubernetes.io/docs/concepts/storage/persistent-volumes/
@@ -663,7 +663,7 @@ externalDatabase:
   user: bn_matomo
   password: ""
   database: bitnami_matomo
-  existingSecret: "matomo-mariadb"
+  existingSecret: matomo-mariadb
 
 ## @section Volume Permissions parameters
 ##