{
  "require-dev": {
    "phpunit/phpunit": "~4.6",
    "behat/behat": "^3.0",
    "guzzlehttp/guzzle": "6.3.3",
    "jarnaiz/behat-junit-formatter": "^1.3",
    "sabre/dav": "3.2.2"
  }
}

{
  "require-dev": {
    "phpunit/phpunit": "~6.5",
    "behat/behat": "^3.0",
    "guzzlehttp/guzzle": "6.3.3",
    "jarnaiz/behat-junit-formatter": "^1.3",
    "sabre/dav": "3.2.2"
  }
}

Update phpunit/phpunit requirement to ~6.5 in /build/integration
Update phpunit/phpunit requirement to ~6.5 in /build/integration

Updates the requirements on [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) to permit the latest version.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/master/ChangeLog-6.5.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/commits/6.5.8)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>