Bump google.golang.org/grpc from 1.72.2 to 1.73.0 in /images/go-grpc-greeter-server/rootfs (#13501)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

images/go-grpc-greeter-server/rootfs/go.mod

@@ -3,12 +3,11 @@ module k8s.io/ingress-nginx/go-grpc-greeter-server
 go 1.24.4
 
 require (
-	google.golang.org/grpc v1.72.2
+	google.golang.org/grpc v1.73.0
 	google.golang.org/grpc/examples v0.0.0-20250526155028-4cab0e6dc6e7
 )
 
 require (
-	github.com/google/go-cmp v0.7.0 // indirect
 	golang.org/x/net v0.40.0 // indirect
 	golang.org/x/sys v0.33.0 // indirect
 	golang.org/x/text v0.25.0 // indirect

images/go-grpc-greeter-server/rootfs/go.sum

@@ -28,8 +28,8 @@ golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
 golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250519155744-55703ea1f237 h1:cJfm9zPbe1e873mHJzmQ1nwVEeRDU/T1wXDK2kUSU34=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250519155744-55703ea1f237/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
-google.golang.org/grpc v1.72.2 h1:TdbGzwb82ty4OusHWepvFWGLgIbNo1/SUynEN0ssqv8=
-google.golang.org/grpc v1.72.2/go.mod h1:wH5Aktxcg25y1I3w7H69nHfXdOG3UiadoBtjh3izSDM=
+google.golang.org/grpc v1.73.0 h1:VIWSmpI2MegBtTuFt5/JWy2oXxtjJ/e89Z70ImfD2ok=
+google.golang.org/grpc v1.73.0/go.mod h1:50sbHOUqWoCQGI8V2HQLJM0B+LMlIUjNSZmow7EVBQc=
 google.golang.org/grpc/examples v0.0.0-20250526155028-4cab0e6dc6e7 h1:qmTRTvUbC4g5DBQbWBBaK8fZfUH0nV7F0Vr0MfLr2Lw=
 google.golang.org/grpc/examples v0.0.0-20250526155028-4cab0e6dc6e7/go.mod h1:tVWJxR8lMn4AFXavKgoU/QtZvQ+E6K1HNS6Q/FuqMxc=
 google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=