Bump com.diffplug.spotless:spotless-maven-plugin from 3.0.0 to 3.1.0 (#3)

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 3.0.0 to 3.1.0.

Author: dependabot[bot]

pom.xml

@@ -70,7 +70,7 @@
         <maven.compiler.target>25</maven.compiler.target>
         <!-- === Spotless === -->
         <spotless.check.skip>false</spotless.check.skip>
-        <spotless-maven-plugin.version>3.0.0</spotless-maven-plugin.version>
+        <spotless-maven-plugin.version>3.1.0</spotless-maven-plugin.version>
         <!-- Publish to Maven Central Repository -->
         <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
         <maven-source-plugin.version>3.3.1</maven-source-plugin.version>

src/main/java/io/github/chrimle/compactjavacli/Command.java

@@ -8,6 +8,7 @@
 
 /**
  * A <em>method</em> may be annotated with <em>this</em> annotation.
+ *
  * @since 0.1.0
  * @author Chrimle
  */