Update Helm release mariadb to v19.1.0

This MR contains the following updates:

Package	Update	Change
mariadb (source)	minor	19.0.7 -> 19.1.0

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Release Notes

bitnami/charts (mariadb)

v19.1.0

• [bitnami/mariadb] add default binlog expiry configuration of 30 days (#​29841)

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Chart.yaml

@@ -9,7 +9,7 @@ home: "https://open.greenhost.net/stackspin/hedgedoc-helm-chart"
 icon: "https://avatars1.githubusercontent.com/u/67865462"
 dependencies:
   - name: mariadb
-    version: 19.0.7
+    version: 19.1.0
     repository: https://charts.bitnami.com/bitnami
     condition: mariadb.enabled
 sources: