Support for CF templates over 51200 bytes

CF templates over 51200 bytes will now be uploaded to the S3 bucket provided for packaging.
See: https://awscli.amazonaws.com/v2/documentation/api/latest/reference/cloudformation/deploy/index.html#options

Missing `bash`

Merge pull request #3 from falnyr/feat/aws-cli-v2

fix: needs bash

Support for AWS CLI v2

Due to an issue #1 in newer version of AWS CLI v1, updating to version 2.

Support for empty changeset

You can choose if the stack will fail on empty changeset or not. Default fails.

Support for existing .aws directory

If you're using this action in multiple steps, it will fail due to trying to create already existing .aws directory. This release is fixing that.

First release

v1.0.0

docs: fixes