align action and package string requirements with openwhisk schema

[MichaelGoberling]

Description

The api-mesh template includes an action name that's above 20 characters (api-mesh-query-content, 22), so it's currently failing when run with aio app install

~I couldn't find any limits on Runtime action names, and deploying extremely long names (500+ chars) seems to be working~

~This is a conservative bump just for the use case I encountered. I also didn't bump packages, inputs, etc. to keep the changes minimal~

I updated the schema to be consistent with the validation Openwhisk does on the server: https://github.com/apache/openwhisk/blob/master/docs/reference.md#fully-qualified-names

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] I have signed the Adobe Open Source CLA.
• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Merging #718 (f42540f) into master (56a0dd5) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #718   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           57        57           
  Lines         3197      3197           
  Branches       603       603           
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  Hits          3197      3197           

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