auto-approve PRs by main contributors

Author: dhellmann

.mergify.yml

@@ -69,7 +69,10 @@ pull_request_rules:
         - "check-success=Test Ubuntu (3.12)"
         - "check-success=Test Zsh"
         - "-draft"
-        - "#approved-reviews-by>=1"
+        - or:
+          - "#approved-reviews-by>=1"
+          - "author=dhellmann"
+          - "author=jasonamyers"
     actions:
       merge:
         method: merge