fix(deps): resolve npm audit advisories

Patch gRPC and the existing multer override.
Refresh vulnerable transitive versions.
Scope patched undici/basic-ftp to release-it; retain the audit gate.

package.json

@@ -37,7 +37,7 @@
     "test:lint": "node --test test/eslint-config.cjs"
   },
   "dependencies": {
-    "@grpc/grpc-js": "1.14.4",
+    "@grpc/grpc-js": "1.14.5",
     "@grpc/proto-loader": "0.8.1",
     "@nestjs/common": "12.0.1",
     "@nestjs/config": "12.0.0",
@@ -105,11 +105,15 @@
   },
   "overrides": {
     "@nestjs/platform-express": {
-      "multer": "2.3.0"
+      "multer": "2.4.0"
     },
     "@prisma/config@7.10.0": {
       "deepmerge-ts": "8.0.2"
     },
+    "release-it": {
+      "basic-ftp": "6.2.1",
+      "undici": "7.29.1"
+    },
     "prisma": {
       "mysql2": "3.24.4"
     }