chore(deps): update dependency com.diffplug.spotless:spotless-maven-plugin to v3 (#465)

Author: renovate[bot]

pom.xml

@@ -43,7 +43,7 @@
     <plugin.version.maven-resources-plugin>3.3.1</plugin.version.maven-resources-plugin>
     <plugin.version.maven-shade-plugin>3.6.1</plugin.version.maven-shade-plugin>
     <plugin.version.maven-surefire-plugin>3.5.4</plugin.version.maven-surefire-plugin>
-    <plugin.version.spotless-maven-plugin>2.43.0</plugin.version.spotless-maven-plugin>
+    <plugin.version.spotless-maven-plugin>3.0.0</plugin.version.spotless-maven-plugin>
     <plugin.version.maven-compiler-plugin>3.14.1</plugin.version.maven-compiler-plugin>
     <plugin.version.native-maven-plugin>0.10.6</plugin.version.native-maven-plugin>
     <plugin.version.maven-depdendency-plugin>3.9.0</plugin.version.maven-depdendency-plugin>