chore: update to alpha snapshot

Author: reez

bdk-android/gradle.properties

@@ -2,6 +2,6 @@ org.gradle.jvmargs=-Xmx1536m
 android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
-libraryVersion=2.0.0-SNAPSHOT
+libraryVersion=2.1.0-SNAPSHOT
 org.jetbrains.dokka.experimental.gradle.pluginMode=V2Enabled
 org.jetbrains.dokka.experimental.gradle.pluginMode.noWarn=true

bdk-ffi/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bdk-ffi"
-version = "2.0.0-alpha.0"
+version = "2.1.0-alpha.0"
 homepage = "https://bitcoindevkit.org"
 repository = "https://github.com/bitcoindevkit/bdk"
 edition = "2018"