chore(mergify): unroll team into members (aws#4097)

Provisional approval check wasn't working on 'author!=@team',
need to specify all members individually.

.mergify.yml

@@ -69,7 +69,17 @@ pull_request_rules:
     conditions:
       - author!=dependabot[bot]
       - author!=dependabot-preview[bot]
-      - author!=@aws/aws-cdk-core
+        # List out all the people whose work is okay to provisionally approve
+      - author!=eladb
+      - author!=RomainMuller
+      - author!=garnaat
+      - author!=nija-at
+      - author!=shivlaks
+      - author!=skinny85
+      - author!=rix0rrr
+      - author!=NGL321
+      - author!=Jerry-AWS
+      - author!=SomayaB
       - base=master
   - name: if fails conventional commits
     actions: