Update dependency phpunit/phpunit to v7 - abandoned

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This PR contains the following updates:

Package	Type	Update	Change
phpunit/phpunit (source)	require-dev	major	~6.0 -> ~7.0

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	CVE	GitHub Issue
High	9.8	WS-2020-0003	#15

---

• If you want to rebase/retry this PR, click this checkbox. ⚠ Warning: custom changes will be lost.

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⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: composer.lock

Command failed: composer update phpunit/phpunit --with-dependencies --ignore-platform-reqs --no-ansi --no-interaction --no-scripts --no-autoloader --no-plugins
Loading composer repositories with package information
Dependency "doctrine/instantiator" is also a root requirement. Package has not been listed as an update argument, so keeping locked at old version. Use --with-all-dependencies (-W) to include root dependencies.
Dependency "phpspec/prophecy" is also a root requirement. Package has not been listed as an update argument, so keeping locked at old version. Use --with-all-dependencies (-W) to include root dependencies.
Dependency "phpunit/php-token-stream" is also a root requirement. Package has not been listed as an update argument, so keeping locked at old version. Use --with-all-dependencies (-W) to include root dependencies.
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - codeception/codeception is locked to version 2.3.6 and an update of this package was not requested.
    - codeception/codeception 2.3.6 requires phpunit/phpunit >4.8.20 <7.0 -> found phpunit/phpunit[4.8.21, ..., 4.8.36, 5.0.0, ..., 5.7.27, 6.0.0, ..., 6.5.14] but it conflicts with your root composer.json require (~7.0).
  Problem 2
    - phpunit/phpunit[7.2.2, ..., 7.5.20] require phpunit/php-code-coverage ^6.0.7 -> satisfiable by phpunit/php-code-coverage[6.0.7, ..., 6.1.4].
    - phpunit/phpunit[7.2.0, ..., 7.2.1] require phpunit/php-code-coverage ^6.0.6 -> satisfiable by phpunit/php-code-coverage[6.0.6, ..., 6.1.4].
    - phpunit/phpunit[7.0.3, ..., 7.1.5] require phpunit/php-code-coverage ^6.0.1 -> satisfiable by phpunit/php-code-coverage[6.0.1, ..., 6.1.4].
    - phpunit/phpunit[7.0.0, ..., 7.0.2] require phpunit/php-code-coverage ^6.0 -> satisfiable by phpunit/php-code-coverage[6.0.0, ..., 6.1.4].
    - phpunit/php-code-coverage[6.0.0, ..., 6.1.4] require phpunit/php-token-stream ^3.0 -> found phpunit/php-token-stream[3.0.0, ..., 3.1.3] but it conflicts with your root composer.json require (1.4.11).
    - Root composer.json requires phpunit/phpunit ~7.0 -> satisfiable by phpunit/phpunit[7.0.0, ..., 7.5.20].

Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

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Autoclosing Skipped

This PR has been flagged for autoclosing. However, it is being skipped due to the branch being already modified. Please close/delete it manually or report a bug if you think this is in error.

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Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.