chore: create codeql-analysis.yml

[katspaugh]

Trying out this code analyser thing.

[coveralls]

Pull Request Test Coverage Report for Build 1829313717

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.04%) to 33.649%

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Totals
Change from base Build 1824932336:	-0.04%
Covered Lines:	3227
Relevant Lines:	8566

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💛 - Coveralls

[github-actions]

CLA Assistant Lite All Contributors have signed the CLA.

[github-actions]

ESLint Summary View Full Report

Annotations are provided inline on the Files Changed tab. You can also see all annotations that were generated on the annotations page.

Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	1	N/A

• Result: ✅ success
• Annotations: 0 total

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^{Report generated by eslint-plus-action}