Update github action for creating python wheel files

Author: Martin Urban

.github/workflows/build_wheel.yaml

@@ -25,8 +25,8 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install wheel setuptools
-	  pip install -r requirements.txt
-	  ./run_automation.sh setup-dev-env
+          pip install -r requirements.txt
+          ./run_automation.sh setup-dev-env
 
       - name: Build wheel
         run: |