1.0.4

Maintenance release:

Docs

• Upgraded contributing instructions in CONTRIBUTING.md & README.md.

Misc

• Assured php 8.1 compatibility.
• Normalized composer manifest.
• Upgraded (dev-)tools.

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What's Changed

• composer(deps-dev): update phpunit/phpunit requirement from 9.5.4 to 9.5.6 by @dependabot in #16
• GH workflow on branch main, too by @jkowalleck in #23
• depenabot for all (dev-)tools by @jkowalleck in #30
• tools(deps): update friendsofphp/php-cs-fixer requirement from 3.0.0 to 3.4.0 in /tools/php-cs-fixer by @dependabot in #31
• composer(deps-dev): update phpunit/phpunit requirement from 9.5.6 to 9.5.11 by @dependabot in #22
• tools(deps): update maglnet/composer-require-checker requirement from 3.1.0 to 3.8.0 in /tools/composer-require-checker by @dependabot in #33
• tools(deps): update icanhazstring/composer-unused requirement from 0.7.5 to 0.7.12 in /tools/composer-unused by @dependabot in #34
• tools(deps-dev): update vimeo/psalm requirement from 4.6.2 to 4.17.0 in /tools/psalm by @dependabot in #32
• make dev-tools setups composer2.2 compatible by @jkowalleck in #37
• CI/CT php 8.1 by @jkowalleck in #20
• GH workflow: composer-unused run with php 8.1 by @jkowalleck in #38
• QA tool: add composer-normalize by @jkowalleck in #39
• Docs: contributing by @jkowalleck in #42
• tools(deps-dev): update ergebnis/composer-normalize requirement from 2.20 to 2.23.0 in /tools/composer-normalize by @dependabot in #41

Full Changelog: 1.0.3...1.0.4