Fix some PHP 7 tests and PHPCS

plugins/templates/matrix.yml

@@ -3,6 +3,8 @@ PHPunit:PHP7.0:MySQL:
   image: containers.ethitter.com:443/docker/images/php:7.0
   services:
     - mysql:5.6
+  variables:
+    WP_VERSION: 6.5.5
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
@@ -12,6 +14,8 @@ PHPunit:PHP7.1:MySQL:
   image: containers.ethitter.com:443/docker/images/php:7.1
   services:
     - mysql:5.6
+  variables:
+    WP_VERSION: 6.5.5
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
@@ -64,7 +68,7 @@ PHPunit:PHP8.1:MySQL:
 
 PHPCS:
   stage: test
-  image: containers.ethitter.com:443/docker/images/php:7.4
+  image: containers.ethitter.com:443/docker/images/php:8.2
   before_script:
     - composer global require automattic/vipwpcs
     - composer global require phpcompatibility/phpcompatibility-wp