Update Helm release mariadb to v20.5.9 charts/linkurious-entity-resolution-

Author: renovate[bot]

charts/linkurious-entity-resolution/Chart.yaml

@@ -29,4 +29,4 @@ dependencies:
   - condition: mariadb.enabled
     name: mariadb
     repository: https://charts.bitnami.com/bitnami
-    version: 20.5.5
+    version: 20.5.9