Add dependabot config for 1.2.x

Author: jonatan-ivanov

.github/dependabot.yml

@@ -19,6 +19,19 @@ updates:
           - version-update:semver-major
           - version-update:semver-minor
     open-pull-requests-limit: 10
+  - package-ecosystem: gradle
+    directory: "/"
+    schedule:
+      interval: daily
+    target-branch: "1.2.x"
+    milestone: 32
+    ignore:
+      # only upgrade patch versions
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+    open-pull-requests-limit: 10
   - package-ecosystem: gradle
     directory: "/"
     schedule: