Update config; Add Epub, PDF, HTMLZip formats

Update Python requirements

Update intersphinx_mapping config

Author: jbampton

.readthedocs.yaml

@@ -1,16 +1,20 @@
 version: 2
-
+formats:
+  - epub
+  - htmlzip
+  - pdf
 sphinx:
   configuration: source/conf.py
 
 build:
-  os: "ubuntu-22.04"
+  os: 'ubuntu-24.04'
   tools:
-    python: "3.11"
+    python: '3.13'
+  apt_packages:
+    - texlive-latex-extra
+    - texlive-fonts-recommended
+    - latexmk
 
 python:
   install:
   - requirements: requirements.txt
-
-sphinx:
-  configuration: source/conf.py

requirements.txt

@@ -1,5 +1,5 @@
-docutils==0.20.1
-Sphinx==7.2.6
-sphinx-rtd-theme==2.0.0
+docutils==0.22.2
+Sphinx==8.2.3
+sphinx-rtd-theme==3.0.2
 readthedocs-sphinx-ext==2.2.5
-Jinja2==3.1.5
+Jinja2==3.1.6

source/conf.py

@@ -189,7 +189,7 @@
 # -- Options for intersphinx extension ---------------------------------------
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
 
 # -- Options for todo extension ----------------------------------------------