fix(handleUpload): ensure valid http method (nuxt-hub#148)

Co-authored-by: Sébastien Chopin <[email protected]>

Author: farnabaz

src/runtime/server/utils/blob.ts

@@ -398,6 +398,8 @@ export function hubBlob(): HubBlob {
       return mapR2MpuToBlobMpu(mpu)
     },
     async handleUpload(event: H3Event, options: BlobUploadOptions = {}) {
+      assertMethod(event, ['POST', 'PUT', 'PATCH'])
+
       options = defu(options, {
         formKey: 'files',
         multiple: true