chore(deps): Update dependency net.sourceforge.pmd:pmd-java to v7.12.0 (#570)

* chore(deps): Update dependency net.sourceforge.pmd:pmd-java to v7.12.0

* declare functional interfaces where appropriate

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: zml <zml@stellardrift.ca>

Author: renovate[bot]

core/src/main/java/org/spongepowered/configurate/objectmapping/FieldDiscoverer.java

@@ -34,6 +34,7 @@
  * @param <I> intermediate data type
  * @since 4.0.0
  */
+@FunctionalInterface
 public interface FieldDiscoverer<I> {
 
     /**

core/src/main/java/org/spongepowered/configurate/objectmapping/meta/Constraint.java

@@ -33,6 +33,7 @@
  * @param <V> value type
  * @since 4.0.0
  */
+@FunctionalInterface
 public interface Constraint<V> {
 
     /**
@@ -51,6 +52,7 @@ public interface Constraint<V> {
      * @param <V> data type
      * @since 4.0.0
      */
+    @FunctionalInterface
     interface Factory<A extends Annotation, V> {
 
         /**

core/src/main/java/org/spongepowered/configurate/objectmapping/meta/NodeResolver.java

@@ -32,6 +32,7 @@
  *
  * @since 4.0.0
  */
+@FunctionalInterface
 public interface NodeResolver {
 
     /**
@@ -58,6 +59,7 @@ public interface NodeResolver {
      *
      * @since 4.0.0
      */
+    @FunctionalInterface
     interface Factory {
 
         /**

core/src/main/java/org/spongepowered/configurate/objectmapping/meta/PostProcessor.java

@@ -34,6 +34,7 @@
  *
  * @since 4.2.0
  */
+@FunctionalInterface
 public interface PostProcessor {
 
     /**
@@ -51,6 +52,7 @@ public interface PostProcessor {
      *
      * @since 4.2.0
      */
+    @FunctionalInterface
     interface Factory {
 
         /**

core/src/test/java/org/spongepowered/configurate/objectmapping/ObjectMapperTest.java

@@ -202,6 +202,7 @@ void testNestedObjectWithComments() throws SerializationException {
     }
 
     @ConfigSerializable
+    @SuppressWarnings("PMD.ImplicitFunctionalInterface")
     private interface ParentInterface {
         String test();
     }

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ indra = "3.1.3"
 junit="5.12.2"
 ktlint="0.49.1"
 ktfmt="0.54"
-pmd = "7.11.0"
+pmd = "7.12.0"
 spotless = "7.0.3"
 
 [libraries]