upgrade dependencies for deployment

Author: github-actions

emmet-api/requirements/deployment.txt

@@ -47,7 +47,7 @@ cryptography==44.0.1
     # via paramiko
 cycler==0.12.1
     # via matplotlib
-ddtrace==3.0.0
+ddtrace==2.21.1
     # via emmet-api (emmet/emmet-api/setup.py)
 deprecated==1.2.18
     # via opentelemetry-api