Merge branch 'renovate/jboss-keycloak-14.0.0' into 'development'

Update jboss/keycloak:14.0.0 Docker digest to 3a42408

See merge request !224

lib/manager/ironbank/__fixtures__/hardening_manifest.yaml

 resources:
-  - url: "docker://docker.io/jboss/keycloak@sha256:ca713e87ad163da71ab329010de2464a41ff030a25ae0aef15c1c290252f3d7f"
+  - url: "docker://docker.io/jboss/keycloak@sha256:3a42408e6d7875218c8ebb2db6257a7c7b39e80e6c9096f455708fd5dec80538"
     tag: "jboss/keycloak:14.0.0"
   - url: "https://github.com/etcd-io/etcd/releases/download/v3.5.0/etcd-v3.5.0-linux-amd64.tar.gz"
     filename: etcd.tar.gz