update model to gemini-2.0-flash

Author: mark-watson

gemini_commandline/Main.hs

@@ -50,7 +50,7 @@ main = do
 
       manager <- newManager tlsManagerSettings
 
-      initialRequest <- parseRequest "https://generativelanguage.googleapis.com/v1/models/gemini-1.5-pro:generateContent"
+      initialRequest <- parseRequest "https://generativelanguage.googleapis.com/v1/models/gemini-2.0-flash:generateContent"
 
       let geminiRequestBody = Aeson.object [
             ("contents", Aeson.Array $ V.singleton $ Aeson.object [