feat: update linter to php 8.3

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

includes/tests/lint.yml

@@ -9,10 +9,12 @@
   script:
     - find -name '*.php' -print0 |xargs -n1 -0 -P16 php -l |grep -v "No syntax errors detected" && exit 1
 
-lint:8.2:
-  <<: *lint-tmpl
-  image: gitlab.wpdesk.dev:5050/wpdesk/docker-tests/php-box:8.2
+lint:8.3:
+  extends: .lint
+  image: gitlab.wpdesk.dev:5050/wpdesk/docker-tests/php-box:8.3
+  script:
+    - php -l **/*.php
 
 lint:7.4:
-  <<: *lint-tmpl
+  extends: .lint
   image: gitlab.wpdesk.dev:5050/wpdesk/docker-tests/php-box:7.4