Bump certifi

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: direct:production
...

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

Author: dependabot[bot]

python/example_code/bedrock-runtime/cross-model-scenarios/tool_use_demo/requirements.txt

@@ -1,6 +1,6 @@
 boto3==1.34.124
 botocore==1.34.124
-certifi==2024.6.2
+certifi==2024.7.4
 charset-normalizer==3.3.2
 idna==3.7
 jmespath==1.0.1