ci: use gh-actions-lua and gh-actions-luarocks from luarocks

[hishamhm]

luarocks/gh-actions-lua and luarocks/gh-actions-luarocks are the forks that were formerly in the hishamhm account.

[coveralls]

Pull Request Test Coverage Report for Build #58

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 19 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.5%) to 80.755%

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Files with Coverage Reduction	New Missed Lines	%
src/lfs.c	19	76.9%
<!--	Total:	19		-->

Totals
Change from base Build #23:	0.5%
Covered Lines:	428
Relevant Lines:	530

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💛 - Coveralls