Fix test-build workflow

Author: shashimalcse

.github/workflows/test-build.yml

@@ -43,13 +43,13 @@ jobs:
         echo "asgardeo-ai package built successfully"
     
     - name: Upload asgardeo build artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: asgardeo-dist-${{ matrix.python-version }}
         path: packages/asgardeo/dist/
 
     - name: Upload asgardeo-ai build artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: asgardeo-ai-dist-${{ matrix.python-version }}
         path: packages/asgardeo-ai/dist/