Bump sphinx-rtd-theme from 0.5.0 to 0.5.2 (#152)

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 0.5.0 to 0.5.2.
- [Release notes](https://github.com/readthedocs/sphinx_rtd_theme/releases)
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@0.5.0...0.5.2)

Signed-off-by: dependabot[bot] <support@github.com>

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

requirementsDocs.txt

@@ -1,5 +1,5 @@
 Sphinx==3.3.1
 sphinxcontrib-plantuml==0.21
 sphinxcontrib-ansibleautodoc==0.0.5
-sphinx_rtd_theme==0.5.0
+sphinx_rtd_theme==0.5.2
 PyYAML>=5.3.1