Update requirements_doc.txt (#154)

requirements/requirements_doc.txt

@@ -1,14 +1,14 @@
 matplotlib==3.7.1
 ansys-fluent-core>=0.16.0
 ansys-mapdl-core>=0.65.0,<0.66.0
-Sphinx==5.3.0
-Sphinx-copybutton==0.5.1
+sphinx==7.2.6
+sphinx-copybutton==0.5.2
 numpydoc==1.5.0
-ansys_sphinx_theme==0.9.5
-sphinx_gallery==0.12.2
-jupyter_sphinx==0.4.0
-sphinx-notfound-page==0.8.3
-sphinx_autodoc_typehints==1.23.4
-sphinxemoji==0.2.0
+ansys-sphinx-theme==0.15.2
+sphinx-gallery==0.15.0
+jupyter_sphinx==0.5.3
+sphinx-notfound-page==1.0.0
+sphinx-autodoc-typehints==1.25.2
+sphinxemoji==0.3.1
 ansys-fluent-visualization>=0.7.1
 ansys-dpf-core>=0.9.0