build(deps): bump certifi from 2024.6.2 to 2024.7.4 in /requirements

Bumps [certifi](https://github.com/certifi/python-certifi) from 2024.6.2 to 2024.7.4.
- [Commits](certifi/python-certifi@2024.06.02...2024.07.04)

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

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

requirements/docs.txt

@@ -8,12 +8,10 @@ alabaster==0.7.16
     # via sphinx
 babel==2.15.0
     # via sphinx
-certifi==2024.6.2
+certifi==2024.7.4
     # via requests
 charset-normalizer==3.3.2
     # via requests
-colorama==0.4.6
-    # via sphinx
 docutils==0.20.1
     # via
     #   sphinx
@@ -39,7 +37,7 @@ sphinx==7.3.7
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
 sphinx-rtd-theme==2.0.0
-    # via -r requirements/docs.in
+    # via -r docs.in
 sphinxcontrib-applehelp==1.0.8
     # via sphinx
 sphinxcontrib-devhelp==1.0.6