chore(ci): use internal gitea docker networking alias for checkout

.gitea/workflows/ci.yml

@@ -20,15 +20,15 @@ jobs:
           ssh-private-key: ${{ secrets.TEKTON_SSH_KEY }}
           
       - name: Install tools
-        run: apt-get update -qq && apt-get install -y -qq docker.io curl unzip
-
-      - name: Connect job container to gitea_default network
-        run: docker network connect gitea_default $(hostname)
+        run: apt-get update -qq && apt-get install -y -qq curl unzip
 
       - name: Add Gitea SSH Host Key
         run: |
           mkdir -p ~/.ssh
-          ssh-keyscan -p 222 thunderobot >> ~/.ssh/known_hosts || true
+          ssh-keyscan -p 22 gitea >> ~/.ssh/known_hosts || true
+          # We alias thunderobot to the internal gitea docker name so checkout action works
+          printf "Host thunderobot\n  HostName gitea\n  Port 22\n  StrictHostKeyChecking no\n" > ~/.ssh/config
+          chmod 600 ~/.ssh/config
 
       - name: Checkout Code
         uses: actions/checkout@v4