Update build.sh

Pinning requests to 2.29.0 to avoid importing urllib3 2.0 and resolve the conflict with lack of support for that library in botocore to resolve Issues awslabs#330.

neptune-python-utils/build.sh

@@ -9,7 +9,7 @@ virtualenv temp --python=python3.8
 source temp/bin/activate
 cd temp
 pip install gremlinpython==3.5.1
-pip install requests
+pip install requests==2.29.0
 pip install backoff
 pip install cchardet
 pip install aiodns
@@ -23,4 +23,4 @@ zip -r neptune_python_utils.zip ./* -x "*pycache*" -x "*.so" -x "*dist-info*" -x
 mv neptune_python_utils.zip ../../../../target/neptune_python_utils.zip
 deactivate
 popd
-rm -rf temp
+rm -rf temp