chore: Update actions to `v4` for transition to Node.js 20 #17

Job	Run time
notify	59s
Make distribution	15s
Perl 5.14 on ubuntu-latest with install-type share, dist	2m 41s
Perl 5.20 on ubuntu-latest with install-type share, dist	2m 22s
Perl 5.30 on ubuntu-latest with install-type share, dist	2m 18s
Perl 5.34 on ubuntu-latest with install-type share, dist	2m 15s
Perl 5.34 on macos-latest with install-type system, dist	34s
build-status	16s
	11m 40s

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