POM: Update Spotless, Google Java Format.

Change-Id: I6cc7bc4a89379ee6cfcfa984ca4cf3731924e903
diff --git a/pom.xml b/pom.xml
index e5cb74f..a484180 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,13 +63,13 @@
     <compiler-plugin.version>3.8.1</compiler-plugin.version>
     <failsafe-plugin.version>${surefire-plugin.version}</failsafe-plugin.version>
     <flatten-plugin.version>1.2.7</flatten-plugin.version>
-    <google-java-format.version>1.13.0</google-java-format.version>
+    <google-java-format.version>1.15.0</google-java-format.version>
     <jar-plugin.version>3.2.2</jar-plugin.version>
     <maven-gpg-plugin.version>1.5</maven-gpg-plugin.version>
     <maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
     <maven-source-plugin.version>2.2.1</maven-source-plugin.version>
     <nexus-staging-plugin.version>1.6.8</nexus-staging-plugin.version>
-    <spotless-plugin.version>2.19.0</spotless-plugin.version>
+    <spotless-plugin.version>2.22.1</spotless-plugin.version>
     <surefire-plugin.version>3.0.0-M5</surefire-plugin.version>
 
     <quarkus.version>2.7.2.Final</quarkus.version>