fix(deps): update dependency multer to v2 (#812)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

demo-v5/package-lock.json

@@ -39,7 +39,7 @@
     "gatsby-plugin-netlify": "^5.1.0",
     "jest": "^29.0.0",
     "linkfs": "^2.1.0",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.0",
     "node-fetch": "^2.6.1",
     "npm-run-all2": "^5.0.0",
     "path-to-regexp": "^6.0.0",

demo-v5/package.json

@@ -39,7 +39,7 @@
     "gatsby-plugin-netlify": "^5.0.0",
     "jest": "^29.0.0",
     "linkfs": "^2.1.0",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.0",
     "node-fetch": "^2.6.1",
     "npm-run-all2": "^5.0.0",
     "path-to-regexp": "^6.0.0",