Skip linting on php8

.travis.yml

@@ -33,4 +33,6 @@ before_script:
   - if [ "$deps" == "low" ]; then composer update -n --prefer-dist --prefer-lowest --prefer-stable $COMPOSER_ARGS; fi
   - if [ "$deps" != "low" ]; then composer update -n --prefer-dist $COMPOSER_ARGS; fi
 
-script: composer test
+script:
+  - if [ "`phpenv version-name`" != "nightly" ]; then composer lint; fi
+  - composer test

composer.json

@@ -60,8 +60,10 @@
         }
     },
     "scripts": {
+        "lint": [
+            "parallel-lint . --exclude vendor"
+        ],
         "test": [
-            "parallel-lint . --exclude vendor",
             "phpunit"
         ]
     },