fix(ci): downgrade artifact actions to v3 for Gitea Actions compatibility

.github/workflows/ci.yml

@@ -101,7 +101,7 @@ jobs:
       run: npm run build
 
     - name: Upload frontend artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v3
       with:
         name: frontend-dist
         path: src/tauri-app/frontend/dist/
@@ -157,7 +157,7 @@ jobs:
           libasound2-dev
 
     - name: Download frontend artifact
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v3
       with:
         name: frontend-dist
         path: src/tauri-app/frontend/dist/
@@ -199,7 +199,7 @@ jobs:
         tar -czf re-teamspeak-${{ matrix.artifact }}.tar.gz -C dist .
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v3
       with:
         name: re-teamspeak-${{ matrix.artifact }}
         path: re-teamspeak-${{ matrix.artifact }}.*
@@ -215,7 +215,7 @@ jobs:
 
     steps:
     - name: Download artifacts
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v3
       with:
         path: artifacts/