Release 0.6.1 (take 2)

(actually bump the Cargo.toml version this time!)

Author: rib

android-activity/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "android-activity"
-version = "0.6.0"
+version = "0.6.1"
 edition = "2021"
 keywords = ["android", "ndk"]
 readme = "../README.md"