remove virtualenv

Author: tsolakoua

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install --ignore-installed sphinx==3.4.1 tox==3.20.0 sphinx_rtd_theme==0.5.2 "Jinja2<3.1" virtualenv==20.0.1
+          python -m pip install --ignore-installed sphinx==3.4.1 tox==3.20.0 sphinx_rtd_theme==0.5.2 "Jinja2<3.1"
       - name: Test with tox
         run: |
           tox -e py

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install --ignore-installed sphinx==3.4.1 tox==3.20.0 sphinx_rtd_theme==0.5.2 "Jinja2<3.1" virtualenv==20.0.1
+          python -m pip install --ignore-installed sphinx==3.4.1 tox==3.20.0 sphinx_rtd_theme==0.5.2 "Jinja2<3.1"
       - name: Test with tox
         run: |
           tox -e py