Add 'devt' field to info.json

Signed-off-by: Luc <8822552+luc-github@users.noreply.github.com>

Author: luc-github

info.json

@@ -1,3 +1,4 @@
 {
-    "version": "3.0.0.a26"
+    "version": "3.0.0.a26",
+    "devt": "3.0.0.a26"
   }