fix tests

Author: cevro

.github/workflows/php-psr.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '7.4' , '8.0' , '8.1' ]
+        php: [ '8.1' ]
     steps:
       - uses: actions/checkout@v2
         name: Checkout

.github/workflows/php-stan.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '7.4' , '8.0' , '8.1' ]
+        php: [ '8.1' ]
     steps:
       - uses: actions/checkout@v2
         name: Checkout

.github/workflows/php.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '7.4' , '8.0' , '8.1' ]
+        php: [ '8.1' ]
         database: [ 'mysql' ]
     steps:
       # MariaDB container has to be started in advance to initialize itself before using it.