chore(deps): update loadgenerator (#67)

Co-authored-by: mend-for-github.aaakk.us.kg[bot] <50673670+mend-for-github.aaakk.us.kg[bot]@users.noreply.github.com>

src/loadgenerator/requirements.txt

@@ -1,14 +1,14 @@
 backoff==2.2.1
 brotli==1.0.9
-certifi==2022.12.7
+certifi==2023.7.22
 charset-normalizer==3.1.0
 click==8.1.3
 configargparse==1.5.3
 deprecated==1.2.13
 flask==2.3.2
 flask-basicauth==0.2.0
 flask-cors==3.0.10
-gevent==22.10.2
+gevent==23.9.0
 geventhttpclient==2.0.9
 googleapis-common-protos==1.59.0
 greenlet==2.0.2