Bump ansys-sphinx-theme from 0.15.0 to 1.0.7 in /requirements

Bumps [ansys-sphinx-theme](https://github.com/ansys/ansys-sphinx-theme) from 0.15.0 to 1.0.7.
- [Release notes](https://github.com/ansys/ansys-sphinx-theme/releases)
- [Commits](ansys/ansys-sphinx-theme@v0.15.0...v1.0.7)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements/requirements_doc.txt

@@ -1,7 +1,7 @@
 Sphinx==7.2.6
 jupyter_sphinx==0.5.3
 numpydoc==1.7.0
-ansys-sphinx-theme==0.15.0
+ansys-sphinx-theme==1.0.7
 pypandoc==1.13
 pytest-sphinx==0.6.2
 sphinx-autobuild==2024.2.4