SLING-11195 - Downgrade ANTLR to match Sling HTL Engine (#34)

diff --git a/src/main/features/scripting.json b/src/main/features/scripting.json
index c621d64..498f6e6 100644
--- a/src/main/features/scripting.json
+++ b/src/main/features/scripting.json
@@ -2,7 +2,7 @@
 {
     "bundles":[
         {
-            "id":"org.antlr:antlr4-runtime:4.9.1",
+            "id":"org.antlr:antlr4-runtime:4.7.1",
             "start-order":"20"
         },
         {