Add PHP 8.4, make 8.1 and 8.2 required

plugins/templates/matrix.yml

@@ -64,7 +64,6 @@ PHPunit:PHP8.1:MySQL:
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
-  allow_failure: true
 
 PHPunit:PHP8.2:MySQL:
   stage: test
@@ -74,7 +73,6 @@ PHPunit:PHP8.2:MySQL:
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
-  allow_failure: true
 
 PHPunit:PHP8.3:MySQL:
   stage: test
@@ -86,6 +84,16 @@ PHPunit:PHP8.3:MySQL:
     - phpunit
   allow_failure: true
 
+PHPunit:PHP8.4:MySQL:
+  stage: test
+  image: containers.ethitter.com:443/docker/images/php:8.4
+  services:
+    - mysql:5.6
+  script:
+    - find . -type "f" -iname "*.php" | xargs -L "1" php -l
+    - phpunit
+  allow_failure: true
+
 PHPCS:
   stage: test
   image: containers.ethitter.com:443/docker/images/php:8.2