[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: I6e08b8186ed666e1ada8f77e201266eef52294d3
diff --git a/docker/Dockerfile.rw_core b/docker/Dockerfile.rw_core
index 09538f7..b5af796 100644
--- a/docker/Dockerfile.rw_core
+++ b/docker/Dockerfile.rw_core
@@ -30,7 +30,7 @@
 # -------------
 # Build stage
 
-FROM golang:1.25.3-alpine3.22 AS dev
+FROM golang:1.25.5-alpine3.22 AS dev
 
 # Install required packages