build: bump panel from 1.8.0 to 1.8.1 (#2243)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: pyansys-ci-bot <[email protected]>

Author: dependabot[bot]

doc/changelog.d/2243.dependencies.md

@@ -0,0 +1 @@
+Bump panel from 1.8.0 to 1.8.1

pyproject.toml

@@ -105,7 +105,7 @@ doc = [
     "notebook==7.4.5",
     "numpydoc==1.9.0",
     "numpy==2.2.6",
-    "panel==1.8.0",
+    "panel==1.8.1",
     "pdf2image==1.17.0",
     "Pint==0.24.4",
     "protobuf==5.29.3",