Update psalm-baseline.xml

Author: GrahamCampbell

psalm-baseline.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="4.0.1@b1e2e30026936ef8d5bf6a354d1c3959b6231f44">
+<files psalm-version="4.1.1@16bfbd9224698bd738c665f33039fade2a1a3977">
   <file src="src/Api/AbstractApi.php">
     <InvalidArgument occurrences="1"/>
   </file>