Updated Sphinx to 8.2.3 and PyData-Sphinx-Theme to 0.16.1 (#2771)

Author: samtygier-stfc

conda/meta.yaml

@@ -29,7 +29,7 @@ requirements:
     - cudatoolkit=11.8.*
     - cupy=12.3.*
     - astra-toolbox=2.1.0=cuda*
-    - requests=2.27.*
+    - requests=2.32.*
     - h5py=3.9.*
     - hdf5=1.14.2
     - psutil=5.9.*

docs/release_notes/next/dev-2672-update-sphinx

@@ -0,0 +1 @@
+2672: Updated Sphinx to 8.2.3 and PyData-Sphinx-Theme to 0.16.1

environment-dev.yml

@@ -31,8 +31,8 @@ dependencies:
   - make==4.3
   - ruff=0.3.7
   - pre-commit==3.5.*
-  - sphinx==7.2.*
-  - pydata-sphinx-theme==0.15.*
+  - sphinx==8.2.*
+  - pydata-sphinx-theme==0.16.*
   - sphinx-copybutton==0.5.*
   - sphinx-design==0.6.*
   - ipp=2021.12 # https://github.com/mantidproject/mantidimaging/issues/2354