Merge pull request #217 from jrushlow/ci/fix-psalm

[ci] fix psalm deprecated config option

Author: jrushlow

psalm.xml

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