Update docs and RTD requirements

- Ubuntu 22.04 → 24.04 (latest available via RTD)
- Python 3.10 → 3.13 (latest)
- Sphinx 6.2.1 → 8.1.3 (latest)
- sphinx-rtd-theme 1.2.2 → 3.0.2
- sphinxcontrib-bibtex 2.5.0 → 2.6.3

.readthedocs.yaml

@@ -10,9 +10,9 @@ formats:
 
 # Set the version of Python and other tools you might need
 build:
-  os: ubuntu-22.04
+  os: ubuntu-24.04
   tools:
-    python: "3.10"
+    python: "3.13"
   jobs:
     post_install:
     # Remove requests-cache, which appears to cause segfaults on RTD workers

doc/requirements.in

@@ -1,6 +1,6 @@
-# Input file for pip-compile 
+# Input file for pip-compile
 # Only specify the packages necessary for [docs]
 
-sphinx==6.2.1
-sphinx-rtd-theme==1.2.2
-sphinxcontrib-bibtex==2.5.0
+sphinx==8.1.3
+sphinx-rtd-theme==3.0.2
+sphinxcontrib-bibtex==2.6.3

doc/requirements.txt

@@ -1,18 +1,18 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    pip-compile --allow-unsafe --output-file=requirements.txt requirements.in
 #
-alabaster==0.7.13
+alabaster==1.0.0
     # via sphinx
-babel==2.12.1
+babel==2.16.0
     # via sphinx
 certifi==2023.7.22
     # via requests
 charset-normalizer==3.2.0
     # via requests
-docutils==0.18.1
+docutils==0.21.2
     # via
     #   pybtex-docutils
     #   sphinx
@@ -36,7 +36,7 @@ pybtex==0.24.0
     #   sphinxcontrib-bibtex
 pybtex-docutils==1.0.2
     # via sphinxcontrib-bibtex
-pygments==2.16.1
+pygments==2.18.0
     # via sphinx
 pyyaml==6.0.1
     # via pybtex
@@ -48,29 +48,29 @@ six==1.16.0
     #   pybtex
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==6.2.1
+sphinx==8.1.3
     # via
     #   -r requirements.in
     #   sphinx-rtd-theme
     #   sphinxcontrib-bibtex
     #   sphinxcontrib-jquery
-sphinx-rtd-theme==1.2.2
+sphinx-rtd-theme==3.0.2
     # via -r requirements.in
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-bibtex==2.5.0
+sphinxcontrib-bibtex==2.6.3
     # via -r requirements.in
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
 sphinxcontrib-jquery==4.1
     # via sphinx-rtd-theme
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 urllib3==2.0.4
     # via requests