[VOL-5583] upgrade go to 1.25.5 and golangci-lint version to 2.8.0

Change-Id: If1b770541eddfba09da91e2fe089d81eec622694
Signed-off-by: madhumatigouda <madhumati.gouda@radisys.com>
diff --git a/go.mod b/go.mod
index 2440be5..74bc598 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/opencord/voltha-lib-go/v7
 
-go 1.25.3
+go 1.25.5
 
 require (
 	github.com/IBM/sarama v1.46.2
@@ -12,7 +12,7 @@
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/jhump/protoreflect v1.17.0
-	github.com/opencord/voltha-protos/v5 v5.7.1
+	github.com/opencord/voltha-protos/v5 v5.7.3
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5
 	github.com/prometheus/client_golang v1.23.2