Update documentation stack (#639)

* RTD: Ubuntu 24.04, Python 3.13
* Update all other requirements to the latest version

Author: dweindl

.readthedocs.yaml

@@ -4,9 +4,9 @@
 version: 2
 
 build:
-   os: ubuntu-22.04
+   os: ubuntu-24.04
    tools:
-      python: "3.11"
+      python: "3.13"
 
 python:
    install:

.rtd_pip_reqs.txt

@@ -1,39 +1,53 @@
 # Direct dependencies:
 # Sphinx
 # sphinx-markdown-tables
+# sphinx-reredirects
 # sphinx-rtd-theme
 # sphinxcontrib-napoleon
 # m2r2
-alabaster==0.7.16
-Babel==2.15.0
-certifi==2024.2.2
-charset-normalizer==3.3.2
-docutils==0.20.1
-idna==3.7
+alabaster==1.0.0
+babel==2.17.0
+certifi==2025.7.9
+charset-normalizer==3.4.2
+contourpy==1.3.2
+cycler==0.12.1
+docutils==0.21.2
+fonttools==4.58.5
+idna==3.10
 imagesize==1.4.1
-Jinja2==3.1.4
-m2r2==0.3.3.post2
-Markdown==3.6
-MarkupSafe==2.1.5
+Jinja2==3.1.6
+kiwisolver==1.4.8
+m2r2==0.3.4
+Markdown==3.8.2
+MarkupSafe==3.0.2
+matplotlib==3.10.3
 mistune==0.8.4
-packaging==24.0
+numpy==2.3.1
+packaging==25.0
+pandas==2.3.1
+pillow==11.3.0
 pockets==0.9.1
-Pygments==2.18.0
-requests==2.31.0
-setuptools==69.5.1
-six==1.16.0
-snowballstemmer==2.2.0
-Sphinx==7.3.7
+Pygments==2.19.2
+pyparsing==3.2.3
+python-dateutil==2.9.0.post0
+pytz==2025.2
+requests==2.32.4
+roman-numerals-py==3.1.0
+setuptools==80.9.0
+six==1.17.0
+snowballstemmer==3.0.1
+Sphinx==8.2.3
 sphinx-markdown-tables==0.0.17
-sphinx-rtd-theme==2.0.0
-sphinxcontrib-applehelp==1.0.8
-sphinxcontrib-devhelp==1.0.6
-sphinxcontrib-htmlhelp==2.0.5
+sphinx-reredirects==1.0.0
+sphinx-rtd-theme==3.0.2
+sphinxcontrib-applehelp==2.0.0
+sphinxcontrib-devhelp==2.0.0
+sphinxcontrib-htmlhelp==2.1.0
 sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-napoleon==0.7
-sphinxcontrib-qthelp==1.0.7
-sphinxcontrib-serializinghtml==1.1.10
-urllib3==2.2.1
-wheel==0.43.0
-sphinx-reredirects==0.1.4
+sphinxcontrib-qthelp==2.0.0
+sphinxcontrib-serializinghtml==2.0.0
+tzdata==2025.2
+urllib3==2.5.0
+wheel==0.45.1