Fixed missing provides

if we have a src/main/resources/META-INF/services/com.fasterxml.jackson.core.JsonFactory
this works in projects that have no module-info.java, but if a project does have module-info.java
then we need to also add the java modules way of provides

src/moditect/module-info.java

@@ -20,4 +20,7 @@
 
     // 03-Oct-2019, tatu: [core#567] Add self-use to avoid warnings
     uses com.fasterxml.jackson.core.ObjectCodec;
+
+    provides com.fasterxml.jackson.core.JsonFactory with
+            com.fasterxml.jackson.core.JsonFactory;
 }