fix: migrate ‘ every day’ schedule to empty (#937)

lib/config/migration.js

@@ -145,6 +145,10 @@ function migrateConfig(config, parentConfig) {
             'every weekday'
           );
         }
+        if (schedules[i].endsWith(' every day')) {
+          isMigrated = true;
+          schedules[i] = schedules[i].replace(' every day', '');
+        }
         if (
           schedules[i].match(/every (mon|tues|wednes|thurs|fri|satur|sun)day$/)
         ) {

test/config/__snapshots__/migration.spec.js.snap

@@ -25,6 +25,7 @@ Object {
   ],
   "lockFileConfig": Object {
     "automerge": true,
+    "schedule": "before 5am",
   },
   "major": Object {
     "automerge": false,

test/config/migration.spec.js

@@ -36,6 +36,7 @@ describe('config/migration', () => {
         ],
         lockFileConfig: {
           automerge: 'any',
+          schedule: 'before 5am every day',
         },
         devDependencies: {
           automerge: 'minor',