chore: bump README references to v0.0.42 #494

Job	Run time
Test breaking changes with deprecation	8s
Test fail on breaking changes	8s
Test breaking action with flatten-allof option	5s
Test breaking action with petsotre to validate no error of unable to process file command 'output...	6s
Test generation of changelog	6s
Test breaking changes	8s
Test diff action with composed option	7s
Test diff action with exclude-elements option	9s
Test diff action	9s
Test breaking action with composed option	6s
Test changelog action with composed option	6s
Test breaking action with err-ignore option	8s
	1m 26s

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