Update psalm output for actions run and change level=2

Author: M1ke

.github/workflows/psalm.yml

@@ -25,4 +25,4 @@ jobs:
         run: composer install
 
       - name: Run psalm
-        run: php vendor/bin/psalm
+        run: php vendor/bin/psalm --long-progress --no-cache --output-format=compact --report="./checkstyle.xml" --report-show-info=false

psalm.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <psalm
-    errorLevel="4"
+    errorLevel="2"
     resolveFromConfigFile="true"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"