[BUGFIX] Bump minimal requirements to support PHP 8.1 (#19)

Author: gilbertsoft

.github/workflows/continuous-integration.yml

@@ -36,7 +36,7 @@ jobs:
             php-version: '8.1'
             composer-version: '2'
             dependency-version: 'stable'
-            experimental: true
+            experimental: false
         exclude:
           - os: ubuntu-latest
             php-version: '8.0'
@@ -89,6 +89,8 @@ jobs:
         run: composer ci:php:lint
 
       - name: Check code styling
+        env:
+          PHP_CS_FIXER_IGNORE_ENV: 1
         if: always()
         run: composer ci:php:cs
 
@@ -98,11 +100,12 @@ jobs:
         run: composer ci:php:stan
 
       - name: Unit Tests
+        continue-on-error: ${{ matrix.experimental }}
         if: always()
         run: composer ci:php:unit
 
       - name: Archive Logs
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v2
         if: always()
         with:
           name: logs

composer.json

@@ -21,6 +21,7 @@
 		"composer/package-versions-deprecated": "1.11.99.4",
 		"ergebnis/composer-normalize": "^2.15",
 		"maglnet/composer-require-checker": "^2.1 || ^3.3",
+		"nikic/php-parser": "^4.13.1",
 		"overtrue/phplint": "^3.0",
 		"phpstan/extension-installer": "^1.1",
 		"phpstan/phpstan-deprecation-rules": "^1.0",