fix(ci): use podman

.forgejo/workflows/build.yaml

@@ -6,14 +6,19 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Docker Login
+      - name: Install Podman
         run: |
-          echo "${{ secrets.DOCKER_PASSWORD }}" | docker login git.interhacker.space -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
+          apt-get update
+          apt-get install -y podman
 
-      - name: Build Docker Image
+      - name: Podman Login
         run: |
-          docker build -t git.interhacker.space/interhack/camp-website-2026:latest .
+          echo "${{ secrets.DOCKER_PASSWORD }}" | podman login git.interhacker.space -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
 
-      - name: Push Docker Image
+      - name: Build Container Image
         run: |
-          docker push git.interhacker.space/interhack/camp-website-2026:latest
+          podman build -t git.interhacker.space/interhack/camp-website-2026:latest .
+
+      - name: Push Container Image
+        run: |
+          podman push git.interhacker.space/interhack/camp-website-2026:latest