Update phpunit/phpunit requirement from ^7.5 to ^7.5 || ^8.0

[dependabot-preview[bot]]

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

Changelog

Sourced from phpunit/phpunit's changelog.

[8.5.8] - 2020-06-22

Fixed

• #4312: Fix for #4299 breaks backward compatibility

[8.5.7] - 2020-06-21

Fixed

• #4299: "No tests executed" does not always result in exit code 1
• #4306: Exceptions during code coverage driver initialization are not handled correctly

[8.5.6] - 2020-06-15

Fixed

• #4211: phpdbg_*() functions are scoped to PHPUnit\phpdbg_*()

[8.5.5] - 2020-05-22

Fixed

• #4033: Unexpected behaviour when $GLOBALS is deleted

[8.5.4] - 2020-04-23

Changed

• Changed how PHPUnit\TextUI\Command passes warnings to PHPUnit\TextUI\TestRunner

[8.5.3] - 2020-03-31

Fixed

• #4017: Do not suggest refactoring to something that is also deprecated
• #4133: expectExceptionMessageRegExp() has been removed in PHPUnit 9 without a deprecation warning being given in PHPUnit 8
• #4139: Cannot double interfaces that declare a constructor with PHP 8
• #4144: Empty objects are converted to empty arrays in JSON comparison failure diff

[8.5.2] - 2020-01-08

Removed

• eval-stdin.php has been removed, it was not used anymore since PHPUnit 7.2.7

[8.5.1] - 2019-12-25

Changed

Commits

• 34c18ba Closes #4312
• 809b4bf Prepare release
• fa13e61 Update Psalm baseline
• 56f8e8e Simplify
• 3a600ed Mark TestCase::$backupGlobals as nullable
• 1c95329 Closes #4306
• a4baf33 Update tools
• 8eaf853 Remove test which a) does not seem to work on GitHub Actions (but does locall...
• 0ae8690 Closes #4299
• 7258f8f Only print resource usage information when tests were run
• Additional commits viewable 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.

---

Note: This repo was added to Dependabot recently, so you'll receive a maximum of 5 PRs for your first few update runs. Once an update run creates fewer than 5 PRs we'll remove that limit.

You can always request more updates by clicking Bump now in your Dependabot dashboard.

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)

[dependabot-preview[bot]]

This pull request will no longer be automatically closed when a new version is found as this pull request was created by Dependabot Preview and this repo is using a version: 2 config file. You can close this pull request and let Dependabot re-create it the next time it checks for updates.