Merge #725: chore: bump version for 0.8.1 release

b2e9100 chore(tests): update the version for electrum functional test (Davidson Souza)
05933c8 chore(florestad): bump version to 0.8.1 (Davidson Souza)
e2fb726 chore(crates): bump versions to 0.4.1 (Davidson Souza)

Pull request description:

  ### Description and Notes

  Bumps version to our new patch release, fixing some bugs fixed since the last release.

ACKs for top commit:
  moisesPompilio:
    ACK b2e9100
  jaoleal:
    ACK b2e9100
  luisschwab:
    ACK b2e9100
  JoseSK999:
    ACK b2e9100

Tree-SHA512: 77e4b30eb09a6a9b4256449891bf76ee41a90059d87afa4c4042831ce84a4de954f14c52d96d400a1cfbe45e633a2af3caa67ade7970a613e2e4fd5540d66a32

bump version for release (#571)

bump version (#293)

small tweak on the user-agent (#217)

bump version to v0.5.1 (#97)

Bump version 0.4.0 -> 0.5.0

Bump version 0.3.0 -> 0.4.0 (#57)

bump version (#25)

Add a test for electrum handshake

Merge pull request #8 from Davidson-Souza/handle-reorgs

Handle reorgs