chore: update multer to ^2.1.1 in appengine storage samples (#4314)

Co-authored-by: Jennifer Davis <sigje@google.com>

Author: angelcaamal

appengine/storage/flexible/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@google-cloud/storage": "^7.0.0",
     "express": "^4.18.2",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.1.1",
     "pug": "^3.0.2"
   },
   "devDependencies": {

appengine/storage/flexible_nodejs16_and_earlier/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@google-cloud/storage": "^7.0.0",
     "express": "^4.18.2",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.1.1",
     "pug": "^3.0.2"
   },
   "devDependencies": {

appengine/storage/standard/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@google-cloud/storage": "^7.0.0",
     "express": "^4.18.2",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.1.1",
     "pug": "^3.0.2"
   },
   "devDependencies": {