Upgrade Client to Parse git refs

Upgrade the client container version to use the latest client that will remove the git refs text from the {{ github.ref }} input variable

Fix missing dotnet issue

Found that Github actions overwrites the workdir when running containers in Actions.
This release uses the 0.3 version of the Octopus Action Client that addresses this issue by setting the entrypoint to the full path of the compiled binary

Add Channel Input

Upgrade to the 0.2 version of the Octopus Action Client container which includes the Channel Name input option

Bug fix

Update to the action.yml to use the public Docker registry image path

Initial Release

v0.1

initial