update workflow

.gitea/workflows/deploy.yaml

@@ -17,8 +17,10 @@ jobs:
       # Step 2: Install Python + MkDocs Material
       - name: Setup Python and MkDocs
         run: |
-          python3 -m pip install --upgrade pip
-          pip install mkdocs-material
+          apt-get update
+          apt-get install -y python3-pip
+          pip3 install --upgrade pip
+          pip3 install mkdocs-material
 
       # Step 3: Build the static site
       - name: Build site with MkDocs