Update cli.py (#1314)

Expected Behavior
The CLI should output that the current AWS user does not have permission to call lambda:GetFunction.

Actual Behavior
The CLI outputs: Warning! Couldn't get function {{function_name}} in {{AWS Region}} - have you deployed yet?.

Co-authored-by: monkut <shane.cousins@gmail.com>

zappa/cli.py

@@ -936,6 +936,10 @@ def update(self, source_zip=None, no_upload=False, docker_image_uri=None):
             except botocore.exceptions.BotoCoreError as e:
                 click.echo(click.style(type(e).__name__, fg="red") + ": " + e.args[0])
                 sys.exit(-1)
+            # https://github.com/zappa/Zappa/issues/1313
+            except botocore.exceptions.ClientError as e:
+                click.echo(click.style(type(e).__name__, fg="red") + ": " + e.args[0])
+                sys.exit(-1)
             except Exception:
                 click.echo(
                     click.style("Warning!", fg="red")