Merge #17436: Add TheCharlatan's pgp key

0ec9671 Add TheCharlatan's pgp key (TheCharlatan)

Pull request description:

  Since I have submitted my pair of signed gitian assertions, I am now adding my key's fingerprint to the gitian keys list.

ACKs for top commit:
  jonasschnelli:
    ACK 0ec9671 - confirm key A8FC55F3B04BA3146F3492E79303B33A305224CB

Tree-SHA512: bbd5e637186ed1659432e4fcc96bdc57fdbdb608325805701e06a51689726e722d7abeb11b5c9de723d051976d9d7ac23602316403fa74029dceb3cf1e837aea

Author: laanwj

contrib/gitian-keys/keys.txt

@@ -27,6 +27,7 @@ D62A803E27E7F43486035ADBBCD04D8E9CCCAC2A Paul Rabahy
 37EC7D7B0A217CDB4B4E007E7FAB114267E4FA04 Peter Todd
 D762373D24904A3E42F33B08B9A408E71DAAC974 Pieter Wuille (Location: Leuven, Belgium)
 133EAC179436F14A5CF1B794860FEB804E669320 Pieter Wuille
+A8FC55F3B04BA3146F3492E79303B33A305224CB Sebastian Kung (TheCharlatan)
 ED9BDF7AD6A55E232E84524257FF9BDBCC301009 Sjors Provoost
 AEC1884398647C47413C1C3FB1179EB7347DC10D Warren Togami
 79D00BAC68B56D422F945A8F8E3A8F3247DBCBBF Willy Ko