Merge bitcoindevkit/bdk#1572: Bump bdk version to 1.0.0-beta.2

092e9be454b3f1f4754f3fefb70b203d7e86c423 Bump bdk version to 1.0.0-beta.2 (Steve Myers)

Pull request description:

  Bump versions for bdk 1.0.0-beta.2 release:

  bdk version to 1.0.0-beta.2
  bdk_chain to 0.18.0
  bdk_bitcoind_rpc to 0.14.0
  bdk_electrum to 0.17.0
  bdk_esplora to 0.17.0
  bdk_file_store to 0.15.0
  bdk_testenv to 0.8.0
  bdk_hwi to 0.5.0

ACKs for top commit:
  ValuedMammal:
    ACK 092e9be454b3f1f4754f3fefb70b203d7e86c423

Tree-SHA512: 39f5cb6efd413ac5efc1736176bf846a727f22f2dcabcae97e726f6793e0b8586358193531aca9118f141e313f21a3f63b6b3ed13343df40940d8435ab6264f3