Implement `cloud.Bucket` inflight method `signedUrl()` for `tf-azure` target

Feature Spec

  /**
   * Returns a signed url to the given file.
   * @Throws if object does not exist.
   * @param key The key to access the cloud object
   * @param options The signedUrlOptions where you can provide the configurations of the signed url
   * @returns A string representing the signed url of the object which can be used to download in any downstream system
   * @inflight
   */
  signedUrl(key: string, options?: BucketSignedUrlOptions): Promise<string>;

Use Cases

See above.

Implementation Notes

No response

Component

SDK

Community Notes

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Start by locating the cloud.Bucket implementation for the tf-azure target and the entry point for inflight methods. Compare the target's existing object-access behavior with the signedUrl specification, then verify that the method returns a usable URL and throws when the object does not exist.