Default architecture to runner's architecture

[cap10morgan]

Description:
If the architecture param isn't set, it currently defaults to amd64/x64/x86-64/etc. It should instead default to the runner's architecture.

Justification:
Hopefully self-evident

Are you willing to submit a PR?
Yes, I have a proof-of-concept one ready to go for further discussion.

[panticmilos]

Hi @cap10morgan, thank you for submitting the report and creating PR for it. We will take a look :)

[tuckstarrydell]

#370 #268 #368 #373 #377

[Fleshgrinder]

I got tired and created a wrapping action: https://github.com/Fleshgrinder/setup-java

[cap10morgan]

PR #376 is hopefully being merged soon so this will be implemented here shortly.

[dmitry-shibanov]

Hello @cap10morgan. We released a new version of the action with these changes and updated the major tag. Could you please confirm that everything works as expected.

[cap10morgan]

Hello @cap10morgan. We released a new version of the action with these changes and updated the major tag. Could you please confirm that everything works as expected.

Looks good here!

[dmitry-shibanov]

In this case I'm going to close the issue. If you have any concerns feel free to ping us.