chore(mariadb): update image docker.io/bitnamisecure/mariadb digest to 967e3ef (#49419)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/bitnamisecure/mariadb | digest | `4a3b3ac` → `967e3ef` |

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charts/stable/mariadb/Chart.yaml

@@ -40,5 +40,5 @@ sources:
   - https://hub.docker.com/r/bitnamisecure/mariadb
   - https://mariadb.org
 type: application
-version: 18.4.1
+version: 18.4.2
 

charts/stable/mariadb/values.yaml

@@ -2,7 +2,7 @@
 image:
   repository: docker.io/bitnamisecure/mariadb
   pullPolicy: IfNotPresent
-  tag: latest@sha256:4a3b3ac91a209747e3f3c41d977fd26bdcd9aa835088c1e8797e4e1d4be5bbdd
+  tag: latest@sha256:967e3ef934af001f3b6bb427921ea5fb1414d8dea36055a16cb5d4a06bf7e66a
 workload:
   main:
     podSpec: