ci: Check only PHP 8

Signed-off-by: Rubén D <nuxsmin@syspass.org>

.github/workflows/feature.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         platform: [ ubuntu-latest ]
-        php: [ '7.4', '8' ]
+        php: [ '8' ]
     name: Build & Test ${{ matrix.php }}/${{ matrix.platform }}
     runs-on: ${{ matrix.platform }}
 #    env:

tests/phpunit.xml

@@ -23,6 +23,7 @@
   -->
 
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.5/phpunit.xsd"
          backupGlobals="false"
          backupStaticAttributes="false"
          bootstrap="./SP/bootstrap.php"
@@ -31,8 +32,7 @@
          convertNoticesToExceptions="false"
          convertWarningsToExceptions="false"
          processIsolation="false"
-         stopOnFailure="false"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+         stopOnFailure="true">
     <coverage processUncoveredFiles="true">
         <include>
             <directory suffix=".php">../lib/SP</directory>