Bump requests from 2.28.2 to 2.31.0 in /docs/.sphinx

Bumps [requests](https://github.com/psf/requests) from 2.28.2 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.28.2...v2.31.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: indirect
...

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

docs/.sphinx/requirements.txt

@@ -53,10 +53,6 @@ idna==3.4
     # via requests
 imagesize==1.4.1
     # via sphinx
-importlib-metadata==6.4.1
-    # via sphinx
-importlib-resources==5.10.4
-    # via rocm-docs-core
 jinja2==3.1.2
     # via
     #   myst-parser
@@ -110,7 +106,7 @@ pyyaml==6.0
     #   myst-parser
     #   rocm-docs-core
     #   sphinx-external-toc
-requests==2.28.2
+requests==2.31.0
     # via
     #   pygithub
     #   sphinx