update install dependencies GitHub action: install torchmin package from source and remove usage of requirements.txt files

Author: rfeinman

.github/workflows/documentation.yml

@@ -27,8 +27,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install -r requirements.txt --extra-index-url https://download.pytorch.org/whl/cpu
-          python -m pip install -r docs/requirements.txt
+          python -m pip install -e ".[docs]" --extra-index-url https://download.pytorch.org/whl/cpu
 
       - name: Sphinx build
         run: |

pyproject.toml

@@ -28,9 +28,9 @@ dev = [
     "pytest",
 ]
 docs = [
-    "sphinx==3.5.3",
-    "jinja2<3.1",
-    "sphinx_rtd_theme==0.5.2",
+    "sphinx==5.0.2",
+    "jinja2>=3.1",
+    "sphinx_rtd_theme==2.0.0",
     "readthedocs-sphinx-search==0.3.2",
 ]