manifests: align manifest between kubeflow#267 and kubeflow#703

Signed-off-by: Matteo Mortari <[email protected]>

Author: tarilabs

manifests/kustomize/overlays/db/kustomization.yaml

@@ -26,7 +26,7 @@ generatorOptions:
 images:
 - name: mysql
   newName: mysql
-  newTag: 8.0.39
+  newTag: 8.3.0
 
 vars:
 - fieldref:

manifests/kustomize/overlays/db/model-registry-db-deployment.yaml

@@ -24,7 +24,7 @@ spec:
         runAsNonRoot: true
       containers:
       - name: db-container
-        image: mysql:8.3.0
+        image: mysql
         args:
         - --datadir
         - /var/lib/mysql/datadir