fix: migrate to bitnamilegacy registry and bump chart versions

- Update infra chart to use bitnamilegacy/kubectl:1.33.4-debian-12-r0
- Update postgres-backup to use bitnamilegacy/postgresql:17.6.0-debian-12-r4
- Bump infra chart version 0.2.0 -> 0.2.1
- Bump mlflow chart version 0.4.0 -> 0.4.1

Bitnami moved their container images to the bitnamilegacy registry as of August 2025.
Chart version bumps are required for CI to pick up the new image configurations.

Author: chris-sanders

applications/mlflow/charts/infra/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: 0.2.0
+version: 0.2.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

applications/mlflow/charts/infra/values.yaml

@@ -6,9 +6,9 @@ crdCheck:
     # -- Image registry
     registry: docker.io
     # -- Image repository
-    repository: bitnami/kubectl
+    repository: bitnamilegacy/kubectl
     # -- Image tag
-    tag: "1.31.2"
+    tag: "1.33.4-debian-12-r0"
   # -- CRDs to check
   crds:
     - name: tenants.minio.min.io

applications/mlflow/charts/mlflow/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: mlflow
 description: A Helm chart for MLflow - Open source platform for the machine learning lifecycle.
 type: application
-version: "0.4.0"
+version: "0.4.1"
 appVersion: "2.10.0"
 home: https://github.com/mlflow/mlflow/tree/master/charts/mlflow
 sources:

applications/mlflow/charts/mlflow/values.yaml

@@ -696,8 +696,8 @@ postgres:
       # -- Image registry
       registry: docker.io
       # -- Image repository
-      repository: bitnami/postgresql
+      repository: bitnamilegacy/postgresql
       # -- Image tag
-      tag: "16.6.0"
+      tag: "17.6.0-debian-12-r4"
       # -- Image pull policy
       pullPolicy: IfNotPresent