Bump orjson from 3.8.6 to 3.9.15 in /model-engine (#456)

Author: dependabot[bot]

model-engine/requirements.in

@@ -31,7 +31,7 @@ json-log-formatter~=0.3
 kubeconfig~=1.1
 kubernetes-asyncio==25.11.0
 kubernetes~=25.3.0
-orjson==3.8.6
+orjson==3.9.15
 protobuf~=3.20
 psycopg2-binary==2.9.3
 py-xid==0.3.0

model-engine/requirements.txt

@@ -303,7 +303,7 @@ numpy==1.24.4
     # via transformers
 oauthlib==3.2.2
     # via requests-oauthlib
-orjson==3.8.6
+orjson==3.9.15
     # via -r requirements.in
 packaging==23.1
     # via