Bump certifi from 2024.2.2 to 2024.7.4 in /requirements (pallets-eco#276)

Author: aenglander

requirements/dev.txt

@@ -19,7 +19,7 @@ blinker==1.8.1
  # flask
 cachetools==5.3.3
  # via tox
-certifi==2024.2.2
+certifi==2024.7.4
  # via
  # -r docs.txt
  # requests

requirements/docs.txt

@@ -8,7 +8,7 @@ alabaster==0.7.13
  # via sphinx
 babel==2.14.0
  # via sphinx
-certifi==2024.2.2
+certifi==2024.7.4
  # via requests
 charset-normalizer==3.3.2
  # via requests