Specify directories for dependabot to look for pom.xml files

Change-Id: I5bba01e48f1734d00aaf46bda668db57ef1835f2
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 76e22be..d51261c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -6,6 +6,14 @@
 version: 2
 updates:
   - package-ecosystem: "maven" # See documentation for possible values
-    directory: "/" # Location of package manifests
+    directory: "/core" # Location of package manifests
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "maven" # See documentation for possible values
+    directory: "/lite" # Location of package manifests
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "maven" # See documentation for possible values
+    directory: "/full" # Location of package manifests
     schedule:
       interval: "daily"