Bump certifi from 2023.5.7 to 2023.7.22 in /docs/.sphinx

Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.5.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2023.05.07...2023.07.22)

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

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

docs/.sphinx/requirements.txt

@@ -16,7 +16,7 @@ beautifulsoup4==4.12.2
     # via pydata-sphinx-theme
 breathe==4.35.0
     # via rocm-docs-core
-certifi==2023.5.7
+certifi==2023.7.22
     # via requests
 cffi==1.15.1
     # via
@@ -53,10 +53,6 @@ idna==3.4
     # via requests
 imagesize==1.4.1
     # via sphinx
-importlib-metadata==6.6.0
-    # via sphinx
-importlib-resources==5.12.0
-    # via rocm-docs-core
 jinja2==3.1.2
     # via
     #   myst-parser
@@ -105,8 +101,6 @@ pynacl==1.5.0
     # via pygithub
 pyparsing==3.0.9
     # via doxysphinx
-pytz==2023.3
-    # via babel
 pyyaml==6.0
     # via
     #   myst-parser
@@ -165,7 +159,3 @@ urllib3==2.0.3
     # via requests
 wrapt==1.15.0
     # via deprecated
-zipp==3.15.0
-    # via
-    #   importlib-metadata
-    #   importlib-resources