Update license.version to v4.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.mycila:license-maven-plugin-git	4.3 -> 4.4
com.mycila:license-maven-plugin (source)	4.3 -> 4.4

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[coveralls]

coverage: 88.425%. remained the same when pulling ee42d00f28ee9cb26360fda7b4c42eb24cbf9b14 on renovate/license.version into 086e2d8a81b4ddc701a08f54970103384945784e on master.