bump gunicorn for python3.12

Author: jwise

requirements.txt

@@ -17,7 +17,7 @@ urllib3==1.26.20
 kubernetes==35.0.0
 
 # for serving
-gunicorn==20.1.0
+gunicorn==25.1.0
 
 # Frozen transitive dependencies:
 blinker==1.9.0
@@ -28,6 +28,7 @@ honeycomb-beeline==2.12.1
 httplib2==0.20.4
 jmespath==0.10.0
 libhoney==2.1.0
+packaging==26.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyparsing==3.0.9