Fix ansys-tools-common module sometimes not found on test runs

Author: femarchi

.github/workflows/ci_cd.yml

@@ -209,16 +209,16 @@ jobs:
 
       - name: Create Python venv
         run: |
-          python -m venv .venv
+          python -m venv .venv-docs
 
       - name: Install packages for documentation build
         run: |
-          .\.venv\Scripts\Activate.bat
+          .\.venv-docs\Scripts\Activate.bat
           pip install .[doc]
 
       - name: Build Source Documentation (HTML)
         run: |
-          .\.venv\Scripts\Activate.bat
+          .\.venv-docs\Scripts\Activate.bat
           doc\make.bat html
 
       - name: Upload HTML Documentation
@@ -230,7 +230,7 @@ jobs:
 
       - name: Build Source Documentation (PDF)
         run: |
-          .\.venv\Scripts\Activate.bat
+          .\.venv-docs\Scripts\Activate.bat
           doc\make.bat pdf
 
       - name: Upload PDF documentation