ci: move linter configs to .github directory

Author: lotyp

.gitattributes

@@ -9,16 +9,15 @@
 .gitignore export-ignore
 .php-cs-fixer.dist.php export-ignore
 .pre-commit-config.yaml export-ignore
-.yamllint.yaml export-ignore
 composer.lock export-ignore
 composer-require-checker.json export-ignore
 docker-compose.yaml export-ignore
 infection.json.dist export-ignore
 Makefile export-ignore
+pest.xml.dist export-ignore
 phpstan.neon.dist export-ignore
 phpstan-baseline.neon export-ignore
 phpunit.xml.dist export-ignore
 psalm.xml export-ignore
 psalm-baseline.xml export-ignore
-renovate.json export-ignore
 rector.php export-ignore

.markdownlint.json renamed to .github/.markdownlint.json

@@ -26,7 +26,7 @@ jobs:
         with:
           configFile: ${{ github.workspace }}/.github/.commitlint.config.mjs
           failOnWarnings: false
-          failOnErrors: false
+          failOnErrors: true
           helpURL: 'https://github.com/conventional-changelog/commitlint/#what-is-commitlint'
 
   yaml-linting:
@@ -42,7 +42,7 @@ jobs:
       - name: 🧐 Lint YAML files
         uses: ibiqlik/action-yamllint@v3.1.1
         with:
-          config_file: .yamllint.yaml
+          config_file: .github/.yamllint.yaml
           file_or_dir: '.'
           strict: true
 
@@ -59,6 +59,7 @@ jobs:
       - name: 🧐 Lint Markdown files
         uses: DavidAnson/markdownlint-cli2-action@v16.0.0
         with:
+          config: '.github/.markdownlint.json'
           globs: |
             **/*.md
             !CHANGELOG.md