VOL-5134 - Create beta-releaes branch for voltha-go

VERSION
-------
  o Bump version string and suffix *-dev to distinguish from release branch.

Change-Id: I8cf8cd83f34630270cedbce46af6ceae8d841b08
diff --git a/VERSION b/VERSION
index 186982e..1b1e25e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.4.2-dev
+3.4.4-dev