feat: support Dash Core 20 (#1234)

* chore: update to dashj 20.0.0-SNAPSHOT to support Core v20 (#1204)

* chore: upgrade to dashj 20.0.0-SNAPSHOT

* fix: use Ouzo for the devnet flavor

* fix: change calculation for masternode rewards after v20 activation (#1221)

* chore: update dashj to 20.0.0 (#1236)

* chore: update checkpoints

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         kotlin_version = '1.8.22'
         coroutinesVersion = '1.6.4'
         ok_http_version = '4.9.1'
-        dashjVersion = '19.0.6'
+        dashjVersion = '20.0.0'
         hiltVersion = '2.45'
         hiltWorkVersion = '1.0.0'
         workRuntimeVersion='2.7.1'