Updates PHPUnit minimum version.

Author: aidan-casey

.github/workflows/isolated-tests.yml

@@ -59,7 +59,7 @@ jobs:
           coverage: pcov
 
       - name: Install PHPUnit
-        run: composer global require phpunit/phpunit:^11.5
+        run: composer global require phpunit/phpunit:^11.5.17
 
       - name: Setup problem matchers
         run: |

composer.json

@@ -49,7 +49,7 @@
         "phpat/phpat": "^0.11.0",
         "phpbench/phpbench": "84.x-dev",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^11.3.5",
+        "phpunit/phpunit": "^11.5.17",
         "rector/rector": "^2.0-rc2",
         "spatie/phpunit-snapshot-assertions": "^5.1.6",
         "spaze/phpstan-disallowed-calls": "^4.0",