Update .mergify.yml

Author: j5ik2o

.mergify.yml

@@ -2,7 +2,6 @@ pull_request_rules:
   - name: Automatic merge on approval if project/plugins.sbt was changed
     conditions:
       - "status-success=ci/circleci: build"
-      - base=main
       - files=project/plugins.sbt
       - "#files=1"
     actions:
@@ -11,7 +10,6 @@ pull_request_rules:
   - name: Automatic merge on approval if project/Dependencies.scala was changed
     conditions:
       - "status-success=ci/circleci: build"
-      - base=main
       - files=project/Dependencies.scala
       - "#files=1"
     actions: