Update Dependabot config file

Author: puneetbehl

.dependabot/config.yml

@@ -0,0 +1,18 @@
+version: 2
+updates:
+- package-ecosystem: gradle
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  target-branch: 7.0.x
+  labels:
+  - "type: dependency-upgrade"
+- package-ecosystem: gradle
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  target-branch: master
+  labels:
+  - "type: dependency-upgrade"