fix: use correct header

Author: VincentHardouin

src/application/PassController.js

@@ -61,7 +61,7 @@ export class PassController {
     const updatedReservationPass = await this.getUpdatedPassUseCase.execute({ passTypeIdentifier, serialNumber });
     const pass = await this.passAdapter.get(updatedReservationPass);
     const lastUpdated = dayjs(updatedReservationPass.updatedAt).utc().format('ddd, DD, MMM, YYYY HH:mm:ss');
-    return h.response(pass).code(200).type('application/vnd.apple.pkpass').header('Last-Updated', `${lastUpdated} GMT`);
+    return h.response(pass).code(200).type('application/vnd.apple.pkpass').header('Last-Modified', `${lastUpdated} GMT`);
   }
 
   async create(request, h) {

tests/acceptance/passes_tests.js

@@ -208,7 +208,7 @@ describe('Acceptance | Endpoints | Passes', function () {
       });
 
       expect(response.statusCode).to.equal(200);
-      const { 'content-type': contentType, 'last-updated': lastUpdated } = response.headers;
+      const { 'content-type': contentType, 'last-modified': lastUpdated } = response.headers;
       expect(contentType).to.equal('application/vnd.apple.pkpass');
       expect(lastUpdated).to.equal('Tue, 02, Jan, 2024 00:00:00 GMT');
     });