[VOTE] Release Apache Maven Surefire version 3.5.6

  Hi,

  We solved 10 issues:
  https://github.com/apache/maven-surefire/issues?q=is%3Aclosed+milestone%3A3.5.6

  Changes since the last release:
  https://github.com/apache/maven-surefire/compare/surefire-3.5.5...surefire-3.5.6

  Staging repo:
  https://repository.apache.org/content/repositories/maven-2435
  https://repository.apache.org/content/repositories/maven-2435/org/apache/maven/surefire/3.5.6/surefire-3.5.6-source-release.zip

  Source release checksum(s):
  surefire-3.5.6-source-release.zip sha512:
3e73b4bef40a5363b07c770700f9e6f664cb1fccfcf0681477550a3c82ffedf6b6c018d5d1d7d3a97d5b1e2228172a8598a0e7cedf5aecf912ff5fce1453effe

  Staging site:
  https://maven.apache.org/pom-archives/surefire-LATEST/

  Guide to testing staged releases:
  https://maven.apache.org/guides/development/guide-testing-releases.html

  Vote open for at least 72 hours.

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