Updated dependencies and copyright.

build.gradle

@@ -4,9 +4,9 @@ plugins {
     id 'maven-publish'
     id 'pmd'
     id 'signing'
-    id 'com.github.ben-manes.versions' version '0.39.0'
+    id 'com.github.ben-manes.versions' version '0.40.0'
     id 'net.thauvin.erik.gradle.semver' version '1.0.4'
-    id 'com.github.spotbugs' version '4.7.1'
+    id 'com.github.spotbugs' version '5.0.3'
     id 'org.sonarqube' version '3.3'
 }
 
@@ -25,9 +25,15 @@ final def mavenLicenseUrl = 'http://opensource.org/licenses/BSD-3-Clause'
 final def mavenScmCon = 'https://github.com/ethauvin/semver.git'
 final def mavenScmDevCon = 'git@github.com:ethauvin/semver.git'
 
+def isNonStable = { String version ->
+  def stableKeyword = ['RELEASE', 'FINAL', 'GA'].any { it -> version.toUpperCase().contains(it) }
+  def regex = /^[0-9,.v-]+(-r)?$/
+  return !stableKeyword && !(version ==~ regex)
+}
+
 ext.versions = [
-        pmd: '6.35.0',
-        spotbugs: '4.2.3'
+        pmd: '6.41.0',
+        spotbugs: '4.5.2'
 ]
 
 repositories {
@@ -59,6 +65,12 @@ java {
     withJavadocJar()
 }
 
+tasks.named("dependencyUpdates").configure {
+  rejectVersionIf {
+    isNonStable(it.candidate.version)
+  }
+}
+
 pmd {
     toolVersion = versions.pmd
     ignoreFailures = true
@@ -184,7 +196,7 @@ task pandoc(type: Exec) {
 }
 
 jacocoTestReport {
-    dependsOn(test)
+    dependsOn test
     reports {
         html.required = true
         xml.required = true