Update phpunit/phpunit requirement from ^5.7.25 || ^6.5.5 to ^8.3.4

[dependabot-preview]

Updates the requirements on phpunit/phpunit to permit the latest version.

Changelog

Sourced from phpunit/phpunit's changelog.

8.3.4 - 2019-08-11

Changed

• Implemented #3788: Cast exception message to string

Fixed

• Fixed #3772: Process Isolation does not work when PHPDBG is used

8.3.3 - 2019-08-03

Fixed

• Fixed #3781: MockBuilder::addMethods() and MockBuilder::onlyMethods() do not handle empty parameter array correctly

8.3.2 - 2019-08-02

Fixed

• More work on the fix for #3774: Restored name of PHPUnit\Framework\Error\Deprecated

8.3.1 - 2019-08-02

Fixed

• Fixed #3774: PHP errors, notices, etc. cannot be tested anymore with PHPUnit 8.3

8.3.0 - 2019-08-02

Added

• Implemented #3687: Introduce MockBuilder::addMethods() and MockBuilder::onlyMethods() as alternatives to MockBuilder::setMethods()
• Implemented #3741: Format class names as well as method names in TestDox output
• Implemented #3748: Add option to sort tests based on information from @small, @medium, and @large
• Added TestCase::getActualOutputForAssertion() as a wrapper for TestCase::getActualOutput() to prevent a test being marked as risky when it prints output and that output is not expected using TestCase::expectOutputString() or TestCase::expectOutputRegEx()

Changed

• Implemented #2015: Prefix all code bundled in PHAR distribution with random/unique namespace
• Implemented #3503: The error handler has been refactored to not rely on global state
• Implemented #3521: The @errorHandler annotation, which controlled a feature that was not documented and did not work correctly, does not have an effect anymore
• Implemented #3522: The TestCase::setUseErrorHandler() method, which controlled a feature that was not documented and did not work correctly, has been deprecated and does not have an effect anymore
• Implemented #3687: MockBuilder::setMethods() is now deprecated

... (truncated)

Commits

• See full diff in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

Finally, you can contact us by mentioning @dependabot.