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

Change-Id: If1b770541eddfba09da91e2fe089d81eec622694
Signed-off-by: madhumatigouda <madhumati.gouda@radisys.com>
diff --git a/VERSION b/VERSION
index bb9f54c..79e3242 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-7.8.3
+7.8.4