Releasing

• Change version in gradle.properties to the version about to be released
• Change artifact version in README.MD
• Commit with message "Release ${VERSION}"
• Execute ./gradlew --no-configuration-cache clean publish closeAndReleaseSonatypeStagingRepository
• Tag current commit (e.g. r1.0.0-M1)
• Change version in gradle.properties to new development version
• Close milestone on GitHub
• Update junit5-samples/junit5-multiple-engines
• Wait for release to be synced to Maven Central
• Push to GitHub
• Create release on GitHub
• Send a tweet