chore(package): update semantic-release to version 12.2.4

[aszecsei]

Closes #24

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• [ ] Tests for the changes have been added (for bug fixes / features)

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[coveralls]

Coverage remained the same at 100.0% when pulling bf6d37d2aabc5505e416400c13685ecc645e10d7 on greenkeeper/semantic-release-12.2.4 into 97a70650a0c894d07f34b1cd2ae37973a360d5cb on master.