Update dependency phpstan/phpstan-phpunit to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
phpstan/phpstan-phpunit	^1.4.1 -> ^2.0.4

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Release Notes

phpstan/phpstan-phpunit (phpstan/phpstan-phpunit)

v2.0.4

Compare Source

• d09e152 - Fix error message for "assertNotEquals" usage referencing "assertSame" and "assertEquals"

v2.0.3

Compare Source

• e32ac65 - Support assertNotEquals in AssertEqualsIsDiscouragedRule

v2.0.2

Compare Source

• 2cedfb7 - Merge remote-tracking branch 'origin/1.4.x' into 2.0.x
• 10880da - Implement AssertEqualsIsDiscouragedRule (#​216)
• 4b6ad7f - Fix
• bec49ea - Merge branch '1.4.x' into 2.0.x
• 3cc8554 - Fixes after PHPStan update
• 09e2d3b - Uncover everything behind the bleedingEdge flag
• 4d861e0 - Fix after TypeSpecifier BC break
• 3faa605 - Update build-cs
• 953195d - Stop testing PHP 7.2 and 7.3
• 7f1457f - Open 2.0.x

v2.0.1

Compare Source

• 4b6ad7f - Fix
• bec49ea - Merge branch '1.4.x' into 2.0.x
• 3cc8554 - Fixes after PHPStan update
• 09e2d3b - Uncover everything behind the bleedingEdge flag
• 4d861e0 - Fix after TypeSpecifier BC break
• 3faa605 - Update build-cs
• 953195d - Stop testing PHP 7.2 and 7.3
• 7f1457f - Open 2.0.x

v2.0.0

Compare Source

• 3cc8554 - Fixes after PHPStan update
• 09e2d3b - Uncover everything behind the bleedingEdge flag
• 4d861e0 - Fix after TypeSpecifier BC break
• 3faa605 - Update build-cs
• 953195d - Stop testing PHP 7.2 and 7.3
• 7f1457f - Open 2.0.x
• 146d9c3 - Test newer PHP versions
• bb6bec0 - Pin build-cs

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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
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The artifact failure details are included below:

File name: composer.lock

Command failed: composer update phpstan/phpstan-phpunit:2.0.4 --with-dependencies --ignore-platform-req='ext-*' --ignore-platform-req='lib-*' --no-ansi --no-interaction --no-scripts --no-autoloader --no-plugins
Loading composer repositories with package information
Dependency phpstan/phpstan 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
    - Root composer.json requires phpstan/phpstan-phpunit ^2.0.4 -> satisfiable by phpstan/phpstan-phpunit[2.0.4].
    - phpstan/phpstan-phpunit 2.0.4 requires phpstan/phpstan ^2.0.4 -> found phpstan/phpstan[2.0.4, ..., 2.1.x-dev] but it conflicts with your root composer.json require (^1.10.47).

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