fix: Update spotless plugin (#172)

This makes spotless work on Java 17

pom.xml

@@ -8,12 +8,12 @@
     <properties>
         <version.slf4j>1.7.36</version.slf4j>
         <version.log4j2>2.17.2</version.log4j2>
-        <version.junit5>5.8.2</version.junit5>
-        <version.okhttp>4.9.3</version.okhttp>
+        <version.junit5>5.9.0</version.junit5>
+        <version.okhttp>4.10.0</version.okhttp>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <version.unleash.specification>4.2.0</version.unleash.specification>
         <arguments />
-        <version.jackson>2.13.3</version.jackson>
+        <version.jackson>2.13.4</version.jackson>
     </properties>
 
     <name>io.getunleash:unleash-client-java</name>
@@ -326,7 +326,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>2.22.5</version>
+                <version>2.27.1</version>
                 <configuration>
                     <formats>
                         <format>

src/main/java/io/getunleash/util/UnleashConfig.java

@@ -516,6 +516,7 @@ public Builder sendMetricsReadTimeoutSeconds(long readTimeoutSeconds) {
 
         /**
          * Don't send metrics to Unleash server
+         *
          * @return
          */
         public Builder disableMetrics() {
@@ -591,6 +592,7 @@ private String getBackupFile() {
 
         /**
          * Adds a custom http header for authorizing the client
+         *
          * @param apiKey the client key to use to connect to the Unleash Server
          * @return
          */