Improve docs

Author: enriquetomasmb

.github/workflows/documentation.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
     - uses: actions/setup-python@v5
       with:
-        python-version: '3.11' 
+        python-version: '3.11.7' 
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0 # otherwise, you will failed to push refs to dest repo

docs/requirements.txt

@@ -1,3 +1,3 @@
-Sphinx==7.3.7
-sphinx-autoapi==3.0.0
-sphinx-book-theme==1.1.2
+Sphinx==7.4.0
+sphinx-autoapi==3.1.2
+sphinx-book-theme==1.1.3