chore: bump libraries to 3.0.0 release candidate 2

Author: thunderbiscuit

bdk-android/lib/build.gradle.kts

@@ -12,7 +12,7 @@ plugins {
 }
 
 group = "org.bitcoindevkit"
-version = "3.0.0-RC1"
+version = "3.0.0-RC2"
 
 android {
     namespace = group.toString()

bdk-ffi/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bdk-ffi"
-version = "3.0.0-rc.1"
+version = "3.0.0-rc.2"
 homepage = "https://bitcoindevkit.org"
 repository = "https://github.com/bitcoindevkit/bdk"
 edition = "2018"