github-actions: added activating conda environment

Signed-off-by: Grzegorz Latosinski <glatosinski@antmicro.com>

.github/workflows/generate-rst.yml

@@ -20,6 +20,8 @@ jobs:
 
           make env
 
+          source env/conda/bin/activate skywater-pdk-scripts
+
           git submodule foreach 'git checkout master'
           scripts/python-skywater-pdk/skywater_pdk/cell_list.py libraries/*/latest/
           scripts/python-skywater-pdk/skywater_pdk/cell-readme-generate.py libraries/*/latest/cells/*

requirements.txt

@@ -4,6 +4,9 @@ flake8
 # previews.
 rst_include
 docutils
+dataclasses
+dataclasses_json
+sphinx
 
 # The Python API for the SkyWater PDK.
 -e scripts/python-skywater-pdk