Fix :Switch from travis-ci.org to GitHub Actions CI and setup semantic-rel…

[Gabriel-403]

fix : #47

[coveralls]

Pull Request Test Coverage Report for Build 1037414933

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 86.232%

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Totals
Change from base Build 716249754:	0.0%
Covered Lines:	94
Relevant Lines:	102

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💛 - Coveralls

[hsluoyz]

@Gabriel-403 still failing:

https://github.com/node-casbin/sequelize-adapter/runs/3087250561?check_suite_focus=true

[github-actions[bot]]

:tada: This PR is included in version 2.3.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: