fix column type: jobe_exitcode

Author: michabbb

migrations/2020_05_12_200432_create_scheduler_watcher_job_events_table.php

@@ -17,7 +17,7 @@ public function up(): void {
             $table->dateTime('jobe_start')->nullable();
             $table->dateTime('jobe_end')->nullable();
             $table->float('jobe_duration', 20, 13)->nullable();
-            $table->boolean('jobe_exitcode')->nullable();
+            $table->tinyInteger('jobe_exitcode')->nullable();
             $table->dateTime('jobe_db_created')->nullable();
         });
     }