[skip ci] ci: review PRs for dependabot

Instead of directly queuing it, just add an auto-review for
dependabot and then let the normal PR condition do its job.

.github/mergify.yml

@@ -21,36 +21,20 @@ queue_rules:
       - "check-success~=rpm-build:.*"
 
 pull_request_rules:
-  - name: Automatic merge for Dependabot pull requests
+  - name: Automatic review for Dependabot pull requests
     conditions:
       - author~=^dependabot(|-preview)\[bot\]$
       - title~=^Bump [^\s]+ from ([\d]+)\..+ to \1\.
       - "#changes-requested-reviews-by=0"
       - base=main
-      - check-success=📚 Documentation
-      - check-success=Schutzbot on GitLab
-      - check-success=Test Suite (test.mod)
-      - check-success=Test Suite (test.run.test_assemblers)
-      - check-success=Test Suite (test.run.test_boot)
-      - check-success=Test Suite (test.run.test_noop)
-      - check-success=Test Suite (test.run.test_ostree)
-      - check-success=Test Suite (test.run.test_sources)
-      - check-success=Test Suite (test.run.test_stages)
-      - check-success=Test Suite (test.src)
-      - check-success=Regenerate Test Data
-      - check-success=Spell check
-      - or:
-        - "check-success=LGTM analysis: Python"
-        - "check-neutral=LGTM analysis: Python"
-      - check-success=codecov/project
-      - "check-success~=rpm-build:.*"
     actions:
-      queue:
-        name: default
-        method: rebase
-        update_method: rebase
-        rebase_fallback: none
-        require_branch_protection: false
+      review:
+        type: APPROVE
+        message: Automatically approving dependabot (minor version bump)
+      label:
+        add:
+          - ci:automerge
+
   - name: Automatic merge on green via label
     conditions:
       - base=main