Adjust 4.0.x for Maintenance Updates

Author: jzheaux

.github/dependabot.yml

@@ -15,6 +15,16 @@ updates:
     ignore:
       - dependency-name: org.apache.directory.server:*
       - dependency-name: org.apache.directory.shared:*
+      - dependency-name: org.junit:junit-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: org.mockito:mockito-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: '*'
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
   - package-ecosystem: gradle
     target-branch: 3.3.x
     milestone: 79 # 3.3.x