Fix environment

Author: w1th0utnam3

pysplashsurf/python_environment.yaml

@@ -6,7 +6,7 @@ channels:
   - conda-forge
 dependencies:
   - maturin=1.13.3
-  - patchelf=0.17.2
+  - patchelf=0.18.0
   - meshio=5.3.5
   - numpy=2.4.6
   - pip=26.1
@@ -20,7 +20,9 @@ dependencies:
   - pytest-md=0.2.0
 
   - sphinx=9.1.0
-  - sphinx_rtd_theme=3.1.0
+#  - sphinx_rtd_theme=3.1.0
   - sphinx-autodoc-typehints==3.10.4
   - myst-parser=5.1.0
   - numpydoc==1.10.0
+  - pip:
+    - sphinx_rtd_theme==3.1.0  # The 3.1.0 release of sphinx_rtd_theme on conda-forge is broken, see: https://github.com/conda-forge/sphinx_rtd_theme-feedstock/issues/40