[VOL-5491] upgrade go to 1.25.3 and golangci-lint version to 2.5.0

Signed-off-by: mgouda <madhumati.gouda@radisys.com>
Change-Id: I44a4a2b605fa16d560fb52bcb8fbc7ef3c8b75cb
diff --git a/go.mod b/go.mod
index 9abf2d0..4593cd9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/opencord/voltha-openonu-adapter-go
 
-go 1.24.5
+go 1.25.3
 
 replace (
 	github.com/coreos/bbolt v1.3.4 => go.etcd.io/bbolt v1.3.4