Update .travis.yml

.travis.yml

@@ -30,15 +30,11 @@ jobs:
   include:
     - php: 7.3
       env: WP_VERSION=latest WP_MULTISITE=1 WPSNIFF=1
-    - php: 7.4
+    - php: 8.1
       env: WP_VERSION=latest WP_MULTISITE=1 WPSNIFF=1
-    - php: 7.4
+    - php: 8.0
       env: WP_VERSION=5.9 WP_MULTISITE=0
 
-#before_install:
-#  - sudo apt-get update
-#  - sudo apt-get -y install libonig4
-
 before_script:
   - export PATH="$HOME/.config/composer/vendor/bin:$PATH"
   - phpenv config-rm xdebug.ini
@@ -47,9 +43,7 @@ before_script:
   - |
     if [[ "$WPSNIFF" == "1" ]]; then
       composer global config allow-plugins.dealerdirect/phpcodesniffer-composer-installer true
-      composer global require phpcompatibility/php-compatibility:"dev-develop as 9.99.99"
-      composer global require wp-coding-standards/wpcs phpcompatibility/phpcompatibility-wp
-      composer global require dealerdirect/phpcodesniffer-composer-installer
+      composer global require --dev wp-coding-standards/wpcs phpcompatibility/phpcompatibility-wp
       phpcs -i
     fi
   - |