Release v1.1.0, add cfn_resource_injection testing (RhinoSecurityLabs…

…#291)

* Add cfn__resource_injection tests and release v1.1.0

* Dev and testing fixes

* Add moto to dev dependencies
* Add cfn__resource_injection lambda tests to `make test`
* Fix Dockerfile.dev
  * The shell wasn't using the installed pip dependencies before.

* Remove unnecessary assignment

Release v1.0.4 (RhinoSecurityLabs#283)

* Release v1.0.4

* Fix maintainer email and description.

Fix remote last update check.

This was moved in a the packaging PR but wasn't caught till that
was merged since the code is referencing the remote GitHub file
on master.

Push specific tag on publish, fix version

Fix publish workflow

Bump major version and fix publish script

Use poetry for package management

Use poetry for package management

Use poetry for package management