chore(helm): update image docker.io/bitnamisecure/mariadb digest to 840d8dd (#42709)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/bitnamisecure/mariadb | digest | `3226e48` -> `840d8dd` |

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charts/stable/mariadb/Chart.yaml

@@ -42,5 +42,5 @@ sources:
   - https://hub.docker.com/r/bitnamisecure/mariadb
   - https://mariadb.org
 type: application
-version: 17.11.1
+version: 17.11.2
 

charts/stable/mariadb/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/bitnamisecure/mariadb
   pullPolicy: IfNotPresent
-  tag: latest@sha256:3226e489fa1441a6faaa7142742af2c5b65b9183485c80c8ce2014fcb688c13d
+  tag: latest@sha256:840d8dd9c0b0f9eba357310eee1c22cb14826c3a0fdc721e6058e9d522836056
 workload:
   main:
     podSpec: