[Build] Update Spotless configuration

pom.xml

@@ -37,7 +37,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <pulsar.version>3.3.1</pulsar.version>
-        <maven-checkstyle-plugin.version>3.4.0</maven-checkstyle-plugin.version>
+        <maven-checkstyle-plugin.version>3.3.0</maven-checkstyle-plugin.version>
         <puppycrawl.checkstyle.version>8.45.1</puppycrawl.checkstyle.version>
         <spotless-maven-plugin.version>2.43.0</spotless-maven-plugin.version>
         <maven-compiler-plugin>3.13.0</maven-compiler-plugin>
@@ -134,6 +134,50 @@
                             <style>GOOGLE</style>
                         </googleJavaFormat>
                     </java>
+                    <pom>
+                        <includes>
+                            <include>pom.xml</include>
+                        </includes>
+                        <sortPom>
+                            <encoding>UTF-8</encoding> <!-- The encoding of the pom files -->
+
+                            <lineSeparator>${line.separator}</lineSeparator> <!-- line separator to use -->
+
+                            <expandEmptyElements>true</expandEmptyElements> <!-- Should empty elements be expanded-->
+
+                            <spaceBeforeCloseEmptyElement>false</spaceBeforeCloseEmptyElement> <!-- Should a space be added inside self-closing elements-->
+
+                            <keepBlankLines>true</keepBlankLines> <!-- Keep empty lines -->
+
+                            <endWithNewline>true</endWithNewline> <!-- Whether sorted pom ends with a newline -->
+
+                            <nrOfIndentSpace>2</nrOfIndentSpace> <!-- Indentation -->
+
+                            <indentBlankLines>false</indentBlankLines> <!-- Should empty lines be indented -->
+
+                            <indentSchemaLocation>false</indentSchemaLocation> <!-- Should schema locations be indented -->
+
+                            <indentAttribute>true</indentAttribute> <!-- Should the xml attributes be indented -->
+
+                            <predefinedSortOrder>recommended_2008_06</predefinedSortOrder> <!-- Sort order of elements: https://github.com/Ekryd/sortpom/wiki/PredefinedSortOrderProfiles-->
+
+                            <sortOrderFile>true</sortOrderFile> <!-- Custom sort order of elements: https://raw.githubusercontent.com/Ekryd/sortpom/master/sorter/src/main/resources/custom_1.xml -->
+
+                            <sortDependencies>true</sortDependencies> <!-- Sort dependencies: https://github.com/Ekryd/sortpom/wiki/SortDependencies-->
+
+                            <sortDependencyManagement>true</sortDependencyManagement> <!-- Sort dependency management: https://github.com/Ekryd/sortpom/wiki/SortDependencies-->
+
+                            <sortDependencyExclusions>true</sortDependencyExclusions> <!-- Sort dependency exclusions: https://github.com/Ekryd/sortpom/wiki/SortDependencies-->
+
+                            <sortPlugins>true</sortPlugins> <!-- Sort plugins: https://github.com/Ekryd/sortpom/wiki/SortPlugins -->
+
+                            <sortProperties>false</sortProperties> <!-- Sort properties -->
+
+                            <sortModules>false</sortModules> <!-- Sort modules -->
+
+                            <sortExecutions>false</sortExecutions> <!-- Sort plugin executions -->
+                        </sortPom>
+                    </pom>
                 </configuration>
                 <executions>
                     <execution>