phpunit updated.

syslogic · syslogic · commit ee005ecde758 · 2023-01-16T15:21:00.000+01:00
diff --git a/composer.json b/composer.json
@@ -40,7 +40,7 @@
     "guzzlehttp/psr7": "^2.4.3"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.5.27",
+    "phpunit/phpunit": "^9.5.28",
     "google/cloud-tools": "^0.13.0"
   },
   "autoload": {
