actions: bump node 20.15.0

[arlac77]

Applied mkpr on .github/workflows/*.yml

sed s/20.14.0/20.15.0/

[coveralls]

Pull Request Test Coverage Report for Build 9626617835

Details

• 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 95.161%

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Totals
Change from base Build 9626092790:	0.0%
Covered Lines:	54
Relevant Lines:	56

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💛 - Coveralls