refactor: Add missing @Override to overriding and implementing methods

Use this link to re-run the recipe: https://app.moderne.io/recipes/org.openrewrite.staticanalysis.MissingOverrideAnnotation?organizationId=T3BlblJld3JpdGU%3D

Co-authored-by: Moderne <team@moderne.io>

src/main/java/org/openrewrite/staticanalysis/EqualsToContentEquals.java

@@ -45,6 +45,7 @@ public String getDescription() {
         return "Use `String.contentEquals(CharSequence)` instead of `String.equals(CharSequence.toString())`.";
     }
 
+    @Override
     public TreeVisitor<?, ExecutionContext> getVisitor() {
         return Preconditions.check(PRECONDITION, new EqualsToContentEqualsVisitor());
     }

src/main/java/org/openrewrite/staticanalysis/RemoveToStringCallsFromArrayInstances.java

@@ -62,6 +62,7 @@ public String getDescription() {
                " the contents of the array. `Arrays.toString(array)` should be used instead as it gives the contents of the array.";
     }
 
+    @Override
     public TreeVisitor<?, ExecutionContext> getVisitor() {
         return new RemoveToStringFromArraysVisitor();
     }

src/main/java/org/openrewrite/staticanalysis/UseSystemLineSeparator.java

@@ -49,6 +49,7 @@ public Duration getEstimatedEffortPerOccurrence() {
     @Override
     public TreeVisitor<?, ExecutionContext> getVisitor() {
         return Preconditions.check(new UsesMethod<>(GET_PROPERTY), new JavaVisitor<ExecutionContext>() {
+            @Override
             public J visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {
                 J.MethodInvocation invocation = (J.MethodInvocation) super.visitMethodInvocation(method, ctx);