bump theme version

Author: drammock

pyproject.toml

@@ -50,7 +50,7 @@ pytest-xdist = {extras = ["psutil"], version = "^3.5.0"}
 [tool.poetry.group.docs.dependencies]
 sphinx = "^7.0"
 numpydoc = "^1.5"
-pydata-sphinx-theme = "^0.14.3"
+pydata-sphinx-theme = "^0.15"
 myst-parser = "^2.0.0"
 
 
@@ -61,4 +61,3 @@ ruff = "^0.3"
 
 [tool.poetry.group.bench.dependencies]
 asv = "^0.6"
-