test(server): don't do automatic backup if migrating database

apps/server/src/services/migration.ts

@@ -25,10 +25,12 @@ async function migrate() {
     }
 
     // backup before attempting migration
+    if (!process.env.TRILIUM_INTEGRATION_TEST) {
         await backupService.backupNow(
             // creating a special backup for version 0.60.4, the changes in 0.61 are major.
             currentDbVersion === 214 ? `before-migration-v060` : "before-migration"
         );
+    }
 
     const migrations = await prepareMigrations(currentDbVersion);