Bump ansys-sphinx-theme from 0.9.7 to 0.9.8 (#26)

Bumps [ansys-sphinx-theme](https://github.com/ansys/ansys-sphinx-theme) from 0.9.7 to 0.9.8.
- [Release notes](https://github.com/ansys/ansys-sphinx-theme/releases)
- [Commits](ansys/ansys-sphinx-theme@v0.9.7...v0.9.8)

---
updated-dependencies:
- dependency-name: ansys-sphinx-theme
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -42,7 +42,7 @@ test = [
 doc = [
     "Sphinx==5.3.0",
     "numpydoc==1.5.0",
-    "ansys-sphinx-theme==0.9.7",
+    "ansys-sphinx-theme==0.9.8",
     "sphinx-copybutton==0.5.1",
 ]