message: Use latest signapple commit
  Update gitian and guix to use the same latest signapple commit
  Github-Pull:
  Rebased-From:
diff: @@ -13,7 +13,7 @@ remotes:
  "dir": "signature"
  - "url": "https://github.com/achow101/signapple.git"
  "dir": "signapple"
  - "commit": "c7e73aa27a7615ac9506559173f787e2906b25eb"
  + "commit": "b084cbbf44d5330448ffce0c7d118f75781b64bd"
  files:
  - "bitcoin-osx-unsigned.tar.gz"
  script: |
  