chore(ci): Migrate to scheduled pipeline (#11981)

.circleci/config.yml

@@ -519,6 +519,9 @@ jobs:
 workflows:
   version: 2
   check:
+    when:
+      not:
+        equal: [ scheduled_pipeline, << pipeline.trigger_source >> ]
     jobs:
       - 'test-go-linux':
           filters:
@@ -733,6 +736,8 @@ workflows:
               ignore: /.*/
 
   nightly:
+    when:
+      equal: [ scheduled_pipeline, << pipeline.trigger_source >> ]
     jobs:
       - 'test-go-linux'
       - 'test-go-linux-386'
@@ -838,10 +843,3 @@ workflows:
       - amd64-package-test-nightly:
           requires:
             - 'amd64-package-nightly'
-    triggers:
-      - schedule:
-          cron: "0 7 * * *"
-          filters:
-            branches:
-              only:
-                - master