feat: update Hermes Dockerfile to build from forked source

- Switch Dockerfile to clone from gortium/hermes-agent (Gitea fork)
- Add SSH agent forwarding for private repo clone at build time
- Set CHROME_EXECUTABLE for Playwright Chromium
- Remove patch_tts_tool.py (Piper patch now in fork source)
- Enable Gitea Actions in versioncontrol compose

versioncontrol/compose.yml

@@ -9,6 +9,10 @@ services:
       - GITEA__server__ROOT_URL=https://code.lazyworkhorse.net
       - SSH_PORT=2222
       - SSH_LISTEN_PORT=2222
+      # Enable Gitea Actions (act_runner required on host)
+      - GITEA__actions__ENABLED=true
+      # Don't fetch actions from GitHub (offline mode + local only)
+      - GITEA__actions__DEFAULT_ACTIONS_URL=off
     volumes:
       - /mnt/HoardingCow_docker_data/Gitea:/data
     networks: