Test with explicit host labels in registration

Added --labels flag to registration command:
- Explicitly specify host execution during registration
- Should override any container-based execution
- Testing if Docker daemon errors are finally resolved

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

forgejo-runner-helm/templates/configmap.yaml

@@ -0,0 +1,38 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "forgejo-runner.fullname" . }}-config
+  labels:
+    {{- include "forgejo-runner.labels" . | nindent 4 }}
+data:
+  config.yaml: |
+    # Config for Forgejo runner
+    log:
+      level: info
+    runner:
+      file: .runner
+      capacity: 1
+      timeout: 3h
+      insecure: false
+      fetch_timeout: 5s
+      fetch_interval: 2s
+      labels:
+        - "ubuntu-latest:host"
+        - "ubuntu-22.04:host"
+        - "node:host"
+        - "alpine:host"
+    cache:
+      enabled: true
+      dir: ""
+      host: ""
+      port: 0
+    container:
+      network: "bridge"
+      privileged: false
+      options: ""
+      workdir_parent: "/tmp/actions"
+      force_pull: true
+      valid_volumes: []
+      podman_binary: "podman"
+    host:
+      workdir_parent: "/tmp/actions"