Bump setuptools from 0.6c11 to 83.0.0 in /docs

Bumps [setuptools](https://github.com/pypa/setuptools) from 0.6c11 to 83.0.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](https://github.com/pypa/setuptools/commits/v83.0.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-version: 83.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docs/rtd-requirements.txt

@@ -193,7 +193,7 @@ robotframework-selenium2library==1.5.0
 robotsuite==1.6.0
 roman==1.4.0
 selenium==2.45.0
-setuptools==0.6c11
+setuptools==83.0.0
 simplejson==2.5.2
 six==1.8.0
 sphinxcontrib-httpdomain==1.3.0