[mariadb-galera] Use root path for metrics health probes (#5556)

Using `/metrics` as a health check incurs load on the DB.

Signed-off-by: Simon Rüegg <simon@rueggs.ch>

bitnami/mariadb-galera/Chart.yaml

@@ -28,4 +28,4 @@ sources:
   - https://github.com/bitnami/bitnami-docker-mariadb-galera
   - https://github.com/prometheus/mysqld_exporter
   - https://mariadb.org
-version: 5.5.1
+version: 5.5.2

bitnami/mariadb-galera/templates/statefulset.yaml

@@ -292,13 +292,13 @@ spec:
               containerPort: 9104
           livenessProbe:
             httpGet:
-              path: /metrics
+              path: /
               port: metrics
             initialDelaySeconds: 30
             timeoutSeconds: 5
           readinessProbe:
             httpGet:
-              path: /metrics
+              path: /
               port: metrics
             initialDelaySeconds: 5
             timeoutSeconds: 1