MAINT: Bump the docs-deps group with 1 update (#960)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -79,7 +79,7 @@ doc = [
     "nbsphinx==0.9.3",
     "notebook==7.0.7",
     "numpydoc==1.6.0",
-    "panel==1.3.7",
+    "panel==1.3.8",
     "pyvista[jupyter]==0.43.2",
     "requests==2.31.0",
     "sphinx==7.2.6",