change dependency to the pub.dev one for dargon2_core

Author: tmthecoder

pubspec.yaml

@@ -9,8 +9,7 @@ environment:
 dependencies:
   ffi: '^1.0.0'
   convert: '^3.0.0'
-  dargon2_core:
-    path: '../dargon2_core'
+  dargon2_core: '^1.0.0'
 
 dev_dependencies:
   pedantic: ^1.9.0