chore(keycloak): Upgrade to 22.0.3

Skipping 22.0.2 as recommended by release notes.

References:
https://www.keycloak.org/2023/09/keycloak-2203-released.html

charts/keycloak/Chart.yaml

@@ -7,9 +7,9 @@ icon: https://www.keycloak.org/resources/images/keycloak_icon_512px.svg
 sources:
   - https://git.shivering-isles.com/shivering-isles/infrastructure-gitops
   - https://github.com/keycloak/keycloak
-version: 0.7.1
+version: 0.7.2
 # renovate: image=quay.io/keycloak/keycloak
-appVersion: "22.0.1"
+appVersion: "22.0.3"
 maintainers:
 - name: Sheogorath
   url: https://shivering-isles.com