Update dependabot.yml to use beta on querydsl-7 branch

Signed-off-by: Marvin Froeder <[email protected]>

Author: velo

.github/dependabot.yml

@@ -20,3 +20,6 @@ updates:
       interval: "daily"
     open-pull-requests-limit: 100
     target-branch: "querydsl-7.0"
+    allow:
+      - dependency-name: "org.hibernate:hibernate-core"
+      - dependency-name: "org.eclipse.persistence:eclipselink"