Fix mergify rules, reflect current workflow names (tests, docs)

Additionally, add the CLA verification to the required checks

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ concurrency:
 jobs:
   test:
 
-    name: "Java: ${{ matrix.java-version }}
+    name: "Test Java: ${{ matrix.java-version }}
      CrateDB: ${{ matrix.cratedb-version }}
      on ${{ matrix.os }}"
     runs-on: ${{ matrix.os }}

.mergify.yml

@@ -2,18 +2,18 @@
 queue_rules:
   - name: default
     conditions:
-      - check-success~=^Tests
-      - check-success~=^Build docs
-      - check-success~=docs/readthedocs.org
+      - check-success~=^Test Java
+      - check-success=docs/readthedocs.org:crate-jdbc
+      - check-success=verification/cla-signed
 
 pull_request_rules:
   - name: automatic merge
     conditions:
       - label=ready-to-merge
       - '#approved-reviews-by>=1'
-      - status-success~=^Tests
-      - status-success~=^Build docs
-      - status-success~=docs/readthedocs.org
+      - status-success~=^Test Java
+      - status-success=docs/readthedocs.org:crate-jdbc
+      - status-success=verification/cla-signed
     actions:
       queue:
         method: rebase