Change reviewers of Psalm baseline update

Change reviewers from Roeland and Me to Julius and Louis

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

.github/workflows/update-psalm-baseline.yml

@@ -44,4 +44,4 @@ jobs:
             Auto-generated update psalm-baseline.xml with fixed psalm warnings
           labels: |
             automated pr
-          reviewers: rullzer, morrisjobke, kesselb
+          reviewers: juliushaertl, artonge, kesselb