removed ubuntu 18 from automatic tests (#37)

Removed ubuntu 18 from automatic tests. Added PHP 8.2 and PHP 8.3 to automatic tests.

Author: trobro

.github/workflows/test.yml

@@ -9,20 +9,29 @@ jobs:
       matrix:
         include:
           - name: php-5.6
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             php-version: '5.6'
           - name: php-7.0
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             php-version: '7.0'
           - name: php-7.1
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             php-version: '7.1'
-          - name: ubuntu-18
-            os: ubuntu-18.04
+          - name: php-7.2
+            os: ubuntu-20.04
             php-version: '7.2'
-          - name: ubuntu-20
+          - name: php-7.4
             os: ubuntu-20.04
             php-version: '7.4'
+          - name: php-8.1
+            os: ubuntu-latest
+            php-version: '8.1'
+          - name: php-8.2
+            os: ubuntu-latest
+            php-version: '8.2'
+          - name: php-8.3
+            os: ubuntu-latest
+            php-version: '8.3'
           - name: ubuntu-latest
             os: ubuntu-latest
     steps:
@@ -31,7 +40,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Validate composer.json and composer.lock
         run: composer validate --strict