Resolve "upgrade hydra"

Closes #65 (closed)

helmchart/single-sign-on/requirements.yaml

 # https://k8s.ory.sh/helm/hydra.html
 dependencies:
   - name: hydra
-    version: 0.0.48
+    version: 0.19.5
     repository: "https://k8s.ory.sh/helm/charts"
     tags:
       - single-sign-on