0.12.0

• Build(deps-dev): Bump psalm/plugin-phpunit from 0.8.0 to 0.8.1 (#209), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan-phpunit from 0.12.5 to 0.12.6 (#210), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.4 to 0.12.5 (#211), by @dependabot-preview[bot]
• Fix: Methods can be static (#212), by @localheinz
• Fix: Run make static-code-analysis-baseline (#213), by @localheinz
• Enhancement: Synchronize with ergebnis/php-library-template (#214), by @localheinz
• Build(deps-dev): Bump phpstan/phpstan-deprecation-rules from 0.12.1 to 0.12.2 (#215), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.8.2 to 3.8.3 (#216), by @dependabot-preview[bot]
• Enhancement: Synchronize with ergebnis/php-library-template (#217), by @localheinz
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 1.1.3 to 2.0.0 (#218), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.5 to 0.12.6 (#219), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan-strict-rules from 0.12.1 to 0.12.2 (#221), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.6 to 0.12.7 (#220), by @dependabot-preview[bot]
• fix wrong wordings (#222), by @mimmi20
• Build(deps-dev): Bump phpstan/phpstan from 0.12.7 to 0.12.8 (#224), by @dependabot-preview[bot]
• Build(deps-dev): Bump ergebnis/phpstan-rules from 0.14.2 to 0.14.3 (#225), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.8 to 0.12.9 (#226), by @dependabot-preview[bot]
• Build(deps-dev): Bump jangregor/phpstan-prophecy from 0.6.0 to 0.6.1 (#227), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.8.3 to 3.8.4 (#228), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.8.4 to 3.8.5 (#229), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.9 to 0.12.10 (#230), by @dependabot-preview[bot]
• Build(deps-dev): Bump psalm/plugin-phpunit from 0.8.1 to 0.9.0 (#231), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.8.5 to 3.9.0 (#233), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.10 to 0.12.11 (#232), by @dependabot-preview[bot]
• Build(deps-dev): Bump jangregor/phpstan-prophecy from 0.6.1 to 0.6.2 (#234), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.9.0 to 3.9.2 (#235), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.9.2 to 3.9.3 (#236), by @dependabot-preview[bot]
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 2.0.0 to 2.1.0 (#237), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.11 to 0.12.12 (#238), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.12 to 0.12.13 (#239), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.13 to 0.12.14 (#240), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.9.3 to 3.9.4 (#241), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.9.4 to 3.9.5 (#242), by @dependabot-preview[bot]
• Build(deps-dev): Bump ergebnis/test-util from 0.9.1 to 1.0.0 (#243), by @dependabot-preview[bot]
• Enhancement: Synchronize with ergebnis/php-library-template (#244), by @localheinz
• Fix: Move data providers (#245), by @localheinz
• Build(deps-dev): Bump ergebnis/phpstan-rules from 0.14.3 to 0.14.4 (#246), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.14 to 0.12.15 (#247), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.15 to 0.12.16 (#248), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.16 to 0.12.17 (#249), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/phpstan from 0.12.17 to 0.12.18 (#250), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.9.5 to 3.10.0 (#251), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.10.0 to 3.10.1 (#252), by @dependabot-preview[bot]
• Build(deps-dev): Bump psalm/plugin-phpunit from 0.9.0 to 0.9.1 (#253), by @dependabot-preview[bot]
• Build(deps-dev): Bump phpstan/extension-installer from 1.0.3 to 1.0.4 (#254), by @dependabot-preview[bot]
• Build(deps-dev): Bump psalm/plugin-phpunit from 0.9.1 to 0.9.2 (#255), by @dependabot-preview[bot]
• Build(deps-dev): Bump psalm/plugin-phpunit from 0.9.2 to 0.10.0 (#256), by @dependabot-preview[bot]
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 2.1.0 to 2.1.1 (#257), by @dependabot-preview[bot]
• Enhancement: Synchronize with ergebnis/php-library-template (#258), by @localheinz
• Fix: Synchronize with ergebnis/php-library-template (#263), by @localheinz
• Build(deps-dev): Bump phpstan/phpstan-phpunit from 0.12.6 to 0.12.8 (#265), by @dependabot-preview[bot]
• Build(deps-dev): Bump vimeo/psalm from 3.10.1 to 3.11.2 (#262), by @dependabot-preview[bot]
• Build(deps-dev): Bump ergebnis/php-cs-fixer-config from 2.1.1 to 2.1.2 (#264), by @dependabot-preview[bot]
• Fix: Initialize fields with default values (#266), by @localheinz
• Fix: Update CHANGELOG.md (#267), by @localheinz
• Enhancement: Implement validate() and return result with error messages (#268), by @localheinz
• Fix: Deprecate SchemaValidator::isValid() (#269), by @localheinz