Bump ansys-sphinx-theme from 1.2.4 to 1.2.6 (#524)

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

Author: dependabot[bot]

pyproject.toml

@@ -43,7 +43,7 @@ tests = [
 ]
 
 doc = [
-    "ansys-sphinx-theme==1.2.4",
+    "ansys-sphinx-theme==1.2.6",
     "autodoc_pydantic==2.1.0",
     "jupyter_sphinx==0.5.3",
     "nbsphinx==0.9.6",