Update mariadb Docker tag to v20.5.7

Author: small-hack-renovate[bot]

charts/pixelfed/Chart.lock

@@ -7,6 +7,6 @@ dependencies:
   version: 2.4.7
 - name: mariadb
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 20.2.2
-digest: sha256:416ba43fd69917f3b653cb89ce1036eade061359b32602a3d8f73738159aecc9
-generated: "2025-06-08T20:10:10.899804+02:00"
+  version: 20.5.7
+digest: sha256:7147c0a1eed9bd4592b36d944385c1f787f3f9b96f72648e32f6ba39dccfd0c3
+generated: "2025-06-08T19:12:45.018640972Z"

charts/pixelfed/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.22.0
+version: 0.23.0
 
 # This is the version number of the application being deployed.
 # renovate:image=ghcr.io/mattlqx/docker-pixelfed
@@ -38,6 +38,6 @@ dependencies:
     condition: valkey.enabled
 
   - name: mariadb
-    version: 20.2.2
+    version: 20.5.7
     repository: oci://registry-1.docker.io/bitnamicharts
     condition: mariadb.enabled