[umzug] fix: support array of migrations as input (#41878)

* fix: support array of migrations as input

* fix: add missing methods to Migration interface

* fix: remove unnecessary props

* fix: add file prop to Migration

types/umzug/index.d.ts

@@ -174,7 +174,7 @@ declare namespace umzug {
         /**
          * Options for defined migration
          */
-        migrations?: MigrationOptions;
+        migrations?: MigrationOptions | Migration[];
 
     }
 
@@ -211,8 +211,12 @@ declare namespace umzug {
     }
 
     interface Migration {
-        path: string;
         file: string;
+        
+        migration(): Promise<any>;
+        up(): Promise<any>;
+        down(): Promise<any>;
+        testFileName(needle:string): boolean;
     }
 
     interface Umzug extends EventEmitter {