fix(ci): use working DinD configuration from commit 3b570e7

- Service name: docker-in-docker (not 'docker')
- DOCKER_HOST: tcp://docker-in-docker:2375
- Set environment variables at job level
- This matches the previously working DinD setup
- Remove unnecessary env setting step

.forgejo/workflows/lint-and-build.yml

@@ -95,21 +95,22 @@ jobs:
         run: cargo build --release --verbose
 
   # ==============================================================================
-  # Job 4: Docker Build - Using DinD
+  # Job 4: Docker Build - Using DinD (working config)
   # ==============================================================================
   docker-build:
     runs-on: docker
     container:
       image: docker:cli
     needs: [build]
-    
     services:
-      docker:
+      docker-in-docker:
         image: docker:dind
-        command: ["dockerd", "--host=tcp://0.0.0.0:2375", "--tls=false"]
-        options: >-
-          --privileged
-          -e DOCKER_TLS_CERTDIR=
+        env:
+          DOCKER_TLS_CERTDIR: ""
+    env:
+      DOCKER_HOST: tcp://docker-in-docker:2375
+      DOCKER_TLS_CERTDIR: ""
+      DOCKER_DRIVER: overlay2
     
     steps:
       - name: Install Node.js for checkout
@@ -118,9 +119,6 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
       
-      - name: Set DOCKER_HOST environment
-        run: echo "DOCKER_HOST=tcp://docker:2375" >> $GITHUB_ENV
-      
       - name: Verify Docker is available
         run: |
           docker version