examples: Version update for current release of runner

Updated runner image version from 3.0.0 to 5.0.4
Updated docker-dind version from 23.0.6-dind to 27.4.1-dind

examples/docker/README.md

@@ -6,7 +6,7 @@ The following assumes:
 * a `runner-config.yml` file exists in /tmp/data
 
 ```sh
-docker run -v /var/run/docker.sock:/var/run/docker.sock  -v /tmp/data:/data --user 1000:133 --rm code.forgejo.org/forgejo/runner:3.0.0 forgejo-runner --config runner-config.yaml daemon
+docker run -v /var/run/docker.sock:/var/run/docker.sock  -v /tmp/data:/data --user 1000:133 --rm code.forgejo.org/forgejo/runner:5.0.4 forgejo-runner --config runner-config.yaml daemon
 ```
 
 The workflows will run using the host docker srever

examples/kubernetes/dind-docker.yaml

@@ -38,7 +38,7 @@ spec:
       # https://forgejo.org/docs/v1.21/admin/actions/#offline-registration
       initContainers:
         - name: runner-register
-          image: code.forgejo.org/forgejo/runner:3.2.0
+          image: code.forgejo.org/forgejo/runner:5.0.4
           command: ["forgejo-runner", "register", "--no-interactive", "--token", $(RUNNER_SECRET), "--name", $(RUNNER_NAME), "--instance", $(FORGEJO_INSTANCE_URL)]
           env:
             - name: RUNNER_NAME
@@ -61,7 +61,7 @@ spec:
               mountPath: /data
       containers:
       - name: runner
-        image: code.forgejo.org/forgejo/runner:3.0.0
+        image: code.forgejo.org/forgejo/runner:5.0.4
         command: ["sh", "-c", "while ! nc -z localhost 2376 </dev/null; do echo 'waiting for docker daemon...'; sleep 5; done; forgejo-runner daemon"]
         env:
         - name: DOCKER_HOST
@@ -76,7 +76,7 @@ spec:
         - name: runner-data
           mountPath: /data
       - name: daemon
-        image: docker:23.0.6-dind
+        image: docker:27.4.1-dind
         env:
         - name: DOCKER_TLS_CERTDIR
           value: /certs