Exclude kiota-lock.json from source control due to bug in Kiota

Author: bkoelman

.gitignore

@@ -423,3 +423,6 @@ FodyWeavers.xsd
 **/.idea/**/httpRequests/
 **/.idea/**/dataSources/
 !**/.idea/**/codeStyles/*
+
+# Workaround for https://github.com/microsoft/kiota/issues/4228
+kiota-lock.json