Add leak canary version property for when we're using it -- does nothing when we don't have leak canary running.

Author: Evan Masseau

versions.properties

@@ -47,6 +47,8 @@ version.kotlin=1.9.22
 
 version.kotlinx.coroutines=1.9.0
 
+version.leakcanary=2.14
+
 version.mockk=1.13.9
 
 version.org.jetbrains.dokka..dokka-gradle-plugin=1.9.10