[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: Iab871760e36d5fb4be11ce9719352e9decc5438a
diff --git a/VERSION b/VERSION
index 1529b51..903d1bb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.6.21
+4.6.22