Tweaked github action to stop using older unsupported ubuntu versions & to also test against PHP 8.4

Author: rotimi

.github/workflows/php.yml

@@ -16,19 +16,19 @@ jobs:
 
     strategy:
         matrix:
-            php: [8.3, 8.2, 8.1]
+            php: [8.4, 8.3, 8.2, 8.1]
 # prefer-lowest is causing unit tests to fail when php 7.2 is run against PHPunit 7.x, 
 # PHPUnit 8.x is the latest stable release that supports PHP 7.2 and that runs fine
 #            dependency-version: [prefer-lowest, prefer-stable]
             dependency-version: [prefer-stable]
-            os: [ubuntu-20.04, ubuntu-22.04]
-            include:
-                - os: ubuntu-20.04
-                  php: 8.1
-                - os: ubuntu-22.04
-                  php: 8.1
-                - os: ubuntu-22.04
-                  php: 8.2
+            os: [ubuntu-latest]
+#            include:
+#                - os: ubuntu-20.04
+#                  php: 8.1
+#                - os: ubuntu-22.04
+#                  php: 8.1
+#                - os: ubuntu-22.04
+#                  php: 8.2
 #            exclude:
 #                - os: ubuntu-22.04
 #                  php: 7.4

composer.json

@@ -24,7 +24,7 @@
     "require-dev": {
         "phpunit/phpunit": "^10.0",
         "php-coveralls/php-coveralls": "^2.0",
-        "vimeo/psalm": "^5.4.0",
+        "vimeo/psalm": "^5.4.0 || ^6.0.0",
         "rector/rector": "^1.0.0"
     },
     "autoload": {