chore(deps): update docker.io/oryd/hydra docker tag to v2.3.0 (#786)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

helm/charts/example-idp/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 # renovate: image=docker.io/oryd/hydra
-appVersion: "1.4.6"
+appVersion: "2.3.0"
 description:
   A Helm chart for deploying the reference implementation for the User Login and
   Consent Flow in Kubernetes

helm/charts/hydra/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 # renovate: image=docker.io/oryd/hydra
-appVersion: "v2.2.0"
+appVersion: "v2.3.0"
 description: A Helm chart for deploying ORY Hydra in Kubernetes
 name: hydra
 icon: https://raw.githubusercontent.com/ory/docs/master/docs/static/img/logo-hydra.svg