Updated psalm for php8.3

Author: Bastian Schwarz

phive.xml

@@ -16,7 +16,7 @@
   -->
 <phive xmlns="https://phar.io/phive">
   <phar name="phpunit" version="^10.0" installed="10.2.0" location="./tools/phpunit.phar" copy="true"/>
-  <phar name="psalm" version="^5.0" installed="5.12.0" location="./tools/psalm" copy="true"/>
+  <phar name="psalm" version="^5.0" installed="5.18.0" location="./tools/psalm" copy="true"/>
   <phar name="composer-unused" version="^0.8" installed="0.8.9" location="./tools/composer-unused.phar" copy="true"/>
   <phar name="composer-require-checker" version="^4.0" installed="4.6.0" location="./tools/composer-require-checker" copy="true"/>
   <phar name="infection" version="^0.26" installed="0.26.21" location="./tools/infection" copy="true"/>