Update requirements.txt

Author: aslam-quad

community/front-end/ofe/requirements.txt

@@ -43,7 +43,7 @@ google-resumable-media==2.9.0
 googleapis-common-protos==1.75.0
 grafana-api==1.0.3
 grpc-google-iam-v1==0.14.4
-grpcio==1.80.0
+grpcio==1.81.0
 grpcio-status==1.81.0
 h11==0.16.0
 httplib2==0.31.2