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

Signed-off-by: madhumatigouda <madhumati.gouda@radisys.com>
Change-Id: I0d371073c3299b592ac1848885abebcab847fbf4
diff --git a/docker/Dockerfile.voltha-go-controller b/docker/Dockerfile.voltha-go-controller
index 3993b70..9e29d36 100644
--- a/docker/Dockerfile.voltha-go-controller
+++ b/docker/Dockerfile.voltha-go-controller
@@ -17,7 +17,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
-FROM golang:1.25.3-alpine3.22 AS dev
+FROM golang:1.25.5-alpine3.22 AS dev
 
 RUN adduser -h /home/voltha-go-controller -s /bin/bash -D voltha-go-controller && \
     apk add --no-cache build-base=0.5-r3