0.8.1

• Fix: Reference (#183), by @localheinz
• Enhancement: Use dependabot (#111), by @localheinz
• Enhancement: Automatically merge pull requests created by Dependabot (#187), by @localheinz
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 1.1.3 to 2.1.2 (#186), by @dependabot[bot]
• Build(deps): Bump actions/cache from v1 to v2 (#185), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 2.1.2 to 2.2.0 (#193), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 2.2.0 to 2.2.1 (#196), by @dependabot[bot]
• Build(deps): Bump actions/checkout from v2 to v2.3.0 (#190), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/composer-normalize from 2.5.1 to 2.6.0 (#200), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/composer-normalize from 2.6.0 to 2.6.1 (#202), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/composer-normalize from 2.6.1 to 2.7.0 (#211), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/composer-normalize from 2.7.0 to 2.7.1 (#213), by @dependabot[bot]
• Build(deps-dev): Bump ergebnis/composer-normalize from 2.7.1 to 2.8.0 (#219), by @dependabot[bot]
• Update phpstan/phpstan from 0.12.25 to 0.12.51 (#231), by @violinist-bot
• Build(deps): Bump actions/github-script from v2 to v3 (#215), by @dependabot[bot]
• Build(deps): Bump actions/checkout from v2.3.0 to v2.3.3 (#222), by @dependabot[bot]
• Enhancement: Synchronize with ergebnis/php-library-template (#232), by @localheinz
• Fix: Close pull requests opened by @violinist-bot (#233), by @localheinz
• Fix: Use appropriate secret (#234), by @localheinz
• Fix: Use pull_request_target (#235), by @localheinz
• Enhancement: Allow installation with PHP 8.0 (#236), by @localheinz