WIP: use pypandoc-binary to avoid issues

Notes: since we need pandoc during the creation of
the examples' documentation, we need to ensure that it
is available every time. This should avoid us to install it
on every self hosted rnner

.github/workflows/full_documentation.yml

@@ -59,6 +59,7 @@ jobs:
         run: |
           testenv\Scripts\Activate.ps1
           pip install .[doc]
+          pip install .[ci]
           Copy-Item -Path "C:\actions-runner\opengl32.dll" -Destination "testenv\Lib\site-packages\vtkmodules" -Force
 
       - name: Retrieve PyAEDT version

pyproject.toml

@@ -146,6 +146,9 @@ all = [
     "scikit-rf==0.31.0",
     "openpyxl==3.1.2",
 ]
+ci = [
+    "pypandoc-binary",
+]
 
 [tool.flit.module]
 name = "pyaedt"