[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: I741fcf658ffdd127b897e5fa8cc57da6c9926e7e
diff --git a/docker/Dockerfile.openolt b/docker/Dockerfile.openolt
index a1a8d26..97019d2 100644
--- a/docker/Dockerfile.openolt
+++ b/docker/Dockerfile.openolt
@@ -15,7 +15,7 @@
 # -------------
 # Build stage
 
-FROM golang:1.24.5-alpine3.22 AS dev
+FROM golang:1.25.3-alpine3.22 AS dev
 
 # Install required packages
 RUN apk add --no-cache build-base=0.5-r3