Add Symfony 5.4 & 6.0 to CI

Author: HypeMC

.github/workflows/ci.yaml

@@ -54,8 +54,27 @@ jobs:
             fail-fast: false
             matrix:
                 php: [ '7.2', '7.3', '7.4', '8.0', '8.1' ]
-                symfony: [ '4.4', '5.2', '5.3' ]
+                symfony: [ '4.4', '5.2', '5.3', '5.4', '6.0' ]
                 dependencies: [ 'highest', 'lowest' ]
+                exclude:
+                    -   php: '7.3'
+                        symfony: '5.2'
+                    -   php: '7.4'
+                        symfony: '5.2'
+                    -   php: '8.0'
+                        symfony: '5.2'
+                    -   php: '7.3'
+                        symfony: '5.3'
+                    -   php: '7.4'
+                        symfony: '5.3'
+                    -   php: '8.0'
+                        symfony: '5.3'
+                    -   php: '7.2'
+                        symfony: '6.0'
+                    -   php: '7.3'
+                        symfony: '6.0'
+                    -   php: '7.4'
+                        symfony: '6.0'
         env:
             SYMFONY_REQUIRE: ${{ matrix.symfony }}.*
             SYMFONY_PHPUNIT_VERSION: ${{ matrix.php >= 7.4 && '9.5' || '8.5' }}