Update sphinx-rtd-theme requirement from <3.0.2,>=1.0 to >=1.0,<3.0.3

Updates the requirements on [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) to permit the latest version.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@1.0.0...3.0.2)

---
updated-dependencies:
- dependency-name: sphinx-rtd-theme
  dependency-type: direct:development
...

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

requirements-dev.txt

@@ -7,7 +7,7 @@ scipy >= 1.10.0, <= 1.14.1
 # building the docs
 sphinx >= 3.0.0, <= 8.1.3
 sphinx_copybutton <= 0.5.2
-sphinx-rtd-theme >= 1.0, < 3.0.2
+sphinx-rtd-theme >= 1.0, < 3.0.3
 sphinx-github-style >= 1.0, <= 1.2.2
 
 # linting