chore(deps-dev): bump orchestra/testbench from 6.20.0 to 6.23.1

Sourced from orchestra/testbench's releases.

<h2>v6.23.1</h2> <h3>Changes</h3>

• Update minimum support for Testbench Core v6.27.3+. (v6.27.0...v6.27.3)

<h4>Testbench Changes</h4> <h5>Changes</h5>

• Improves docblock.
• Update skeleton to match v8.6.8.

<h2>v6.23.0</h2> <h3>Changes</h3>

• Update minimum support for Testbench Core v6.27.0+. (v6.26.0...v6.27.0)

<h4>Testbench Changes</h4> <h5>Added</h5>

• Add ability to define database migrations using TestCase::defineDatabaseMigrationsAfterDatabaseRefreshed() method, the method will only be executed via Illuminate\Database\Events\DatabaseRefreshed event.
• Add ability to destroy database migrations using TestCase::destroyDatabaseMigrations().

<h2>v6.22.0</h2> <h3>Changes</h3>

• Update minimum support for Testbench Core v6.26.0+. (v6.25.2...v6.26.0)

<h4>Testbench Changes</h4> <h5>Added</h5>

• Added draft support for PHP 8.1.
• Added Orchestra\Testbench\container() function to easily create an application instance.

<h5>Changes</h5>

• Update skeleton to match v8.6.4.
• Improves docblock.

<h2>v6.21.1</h2> <h3>Changes</h3>

• Update minimum support for Testbench Core v6.25.2+. (v6.25.0...v6.25.2)

<h4>Testbench Changes</h4> <h5>Changes</h5>

... (truncated)

Sourced from orchestra/testbench's changelog.

<h2>6.23.1</h2>

Released: 2021-12-04

<h3>Changes</h3>

• Update minimum support for Testbench Core v6.27.3+. (v6.27.0...v6.27.3)

<h4>Testbench Changes</h4> <h5>Changes</h5>

• Improves docblock.
• Update skeleton to match v8.6.8.

<h2>6.23.0</h2>

Released: 2021-11-10

<h3>Changes</h3>

• Update minimum support for Testbench Core v6.27.0+. (v6.26.0...v6.27.0)

<h4>Testbench Changes</h4> <h5>Added</h5>

• Add ability to define database migrations using TestCase::defineDatabaseMigrationsAfterDatabaseRefreshed() method, the method will only be executed via Illuminate\Database\Events\DatabaseRefreshed event.
• Add ability to destroy database migrations using TestCase::destroyDatabaseMigrations().

<h2>6.22.0</h2>

Released: 2021-10-21

<h3>Changes</h3>

• Update minimum support for Testbench Core v6.26.0+. (v6.25.2...v6.26.0)

<h4>Testbench Changes</h4> <h5>Added</h5>

• Added draft support for PHP 8.1.
• Added Orchestra\Testbench\container() function to easily create an application instance.

<h5>Changes</h5>

• Update skeleton to match v8.6.4.
• Improves docblock.

... (truncated)

• c4c1e42 Prepare 6.23.1 release
• 1dddbcf wip
• 7149330 wip
• e1c4d77 wip
• 94cf6e3 Prepare 6.23.0 release
• 49bfdf2 wip
• 05c4e69 wip
• a6ff632 wip
• 8e27a27 wip
• e91dbf9 Prepare 6.22.0 release
• Additional commits viewable in compare view

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