Update java/ql/test/library-tests/dataflow/taintsources/MicronautConfig.java

Co-authored-by: Owen Mansel-Chan <62447351+owen-mc@users.noreply.github.com>

Author: mbaluda

java/ql/test/library-tests/dataflow/taintsources/MicronautConfig.java

@@ -23,6 +23,11 @@ void testPropertyField() {
         sink(apiKey); // $hasLocalValueFlow
     }
 
+    @Get("/param")
+    void testPropertyParam(@Property(name = "app.api-key") String appName) {
+        sink(appName); // $hasLocalValueFlow
+    }
+
     @Get("/param")
     void testValueParam(@Value("${app.name}") String appName) {
         sink(appName); // $hasLocalValueFlow