message: build: don't check for deprecated berkeley-db4 package
  Fixes:
  ```bash
  checking for brew... brew
  Warning: Use berkeley-db@4 instead of deprecated berkeley-db4
  ```
diff: @@ -284,7 +284,7 @@ task:
  task:
  name: 'macOS 11 native [gui] [no depends]'
  brew_install_script:
  - - brew install boost libevent berkeley-db4 qt@5 miniupnpc libnatpmp ccache zeromq qrencode sqlite libtool automake pkg-config gnu-getopt
  + - brew install boost libevent berkeley-db@4 qt@5 miniupnpc libnatpmp ccache zeromq qrencode sqlite libtool automake pkg-config gnu-getopt
  << : *GLOBAL_TASK_TEMPLATE
  osx_instance:
  # Use latest image, but hardcode version to avoid silent upgrades (and breaks)
  