Add null arguments to MergeYaml usage

Author: timtebeek

src/main/java/org/openrewrite/java/spring/AddSpringProperty.java

@@ -140,7 +140,7 @@ private MergeYaml createMergeYamlVisitor() {
         } else {
             yaml.append(" ").append(value);
         }
-        return new MergeYaml("$", yaml.toString(), true, null, null);
+        return new MergeYaml("$", yaml.toString(), true, null, null, null);
     }
 
     private static final Pattern scalarNeedsAQuote = Pattern.compile("[^a-zA-Z\\d\\s]*");

src/main/java/org/openrewrite/java/spring/boot2/MergeBootstrapYamlWithApplicationYaml.java

@@ -110,7 +110,7 @@ public TreeVisitor<?, ExecutionContext> getVisitor(Accumulator acc) {
                     source = new CoalescePropertiesVisitor<Integer>().visitDocuments(a.withDocuments(ListUtils.map((List<Yaml.Document>) a.getDocuments(), doc -> {
                         if (merged.compareAndSet(false, true) && FindProperty.find(doc, "spring.config.activate.on-profile", true).isEmpty()) {
                             return (Yaml.Document) new MergeYamlVisitor<Integer>(doc.getBlock(), b.getDocuments()
-                                    .get(0).getBlock(), true, null).visit(doc, 0, new Cursor(new Cursor(null, a), doc));
+                                    .get(0).getBlock(), true, null, null).visit(doc, 0, new Cursor(new Cursor(null, a), doc));
                         }
                         return doc;
                     })), 0);

src/main/java/org/openrewrite/java/spring/boot2/MigrateDatabaseCredentials.java

@@ -90,8 +90,8 @@ public Yaml visitDocuments(Yaml.Documents documents, ExecutionContext ctx) {
             }, new YamlVisitor<ExecutionContext>() {
                 @Override
                 public Yaml visitDocuments(Yaml.Documents documents, ExecutionContext ctx) {
-                    doAfterVisit(new MergeYaml("$.spring." + tool, "username: ${spring.datasource.username}", true, null, null).getVisitor());
-                    doAfterVisit(new MergeYaml("$.spring." + tool, "password: ${spring.datasource.password}", true, null, null).getVisitor());
+                    doAfterVisit(new MergeYaml("$.spring." + tool, "username: ${spring.datasource.username}", true, null, null, null).getVisitor());
+                    doAfterVisit(new MergeYaml("$.spring." + tool, "password: ${spring.datasource.password}", true, null, null, null).getVisitor());
                     doAfterVisit(new CoalesceProperties().getVisitor());
                     return documents;
                 }