Bump pytest from 8.2.1 to 9.0.3 in /python/example_code/bedrock (#7851)

Author: dependabot[bot]

python/example_code/bedrock/requirements.txt

@@ -5,7 +5,7 @@ iniconfig==2.0.0
 jmespath==1.0.1
 packaging==24.0
 pluggy==1.5.0
-pytest==8.2.1
+pytest==9.0.3
 python-dateutil==2.9.0.post0
 s3transfer==0.10.1
 six==1.16.0