chore: clean up parent pom.xml

- Define the `spring-javaformat-checkstyle.version` property in <properties>
- Format the `maven-gpg-plugin` plugin in the `sonatype` profile

Signed-off-by: guanxu <[email protected]>

Author: guanxuc

pom.xml

@@ -358,6 +358,7 @@
 		<maven-checkstyle-plugin.failsOnError>true</maven-checkstyle-plugin.failsOnError>
 		<maven-checkstyle-plugin.failOnViolation>true</maven-checkstyle-plugin.failOnViolation>
 		<puppycrawl-tools-checkstyle.version>9.3</puppycrawl-tools-checkstyle.version>
+		<spring-javaformat-checkstyle.version>0.0.43</spring-javaformat-checkstyle.version>
 		<maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
 
 		<disable.checks>false</disable.checks>
@@ -393,7 +394,7 @@
 					<dependency>
 						<groupId>io.spring.javaformat</groupId>
 						<artifactId>spring-javaformat-checkstyle</artifactId>
-						<version>0.0.43</version>
+						<version>${spring-javaformat-checkstyle.version}</version>
 					</dependency>
 				</dependencies>
 				<executions>
@@ -892,23 +893,23 @@
 	    </properties>
 	    <build>
 	        <plugins>
-						<plugin>
-								<groupId>org.apache.maven.plugins</groupId>
-								<artifactId>maven-gpg-plugin</artifactId>
-								<version>${maven-gpg-plugin.version}</version>
-								<executions>
-										<execution>
-												<id>sign-artifacts</id>
-												<phase>verify</phase>
-												<goals>
-														<goal>sign</goal>
-												</goals>
-										</execution>
-								</executions>
-								<configuration>
-										<!-- Passphrase consumed from MAVEN_GPG_PASSPHRASE environment variable. -->
-								</configuration>
-						</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-gpg-plugin</artifactId>
+					<version>${maven-gpg-plugin.version}</version>
+					<executions>
+						<execution>
+							<id>sign-artifacts</id>
+							<phase>verify</phase>
+							<goals>
+								<goal>sign</goal>
+							</goals>
+						</execution>
+					</executions>
+					<configuration>
+						<!-- Passphrase consumed from MAVEN_GPG_PASSPHRASE environment variable. -->
+					</configuration>
+				</plugin>
 	            <plugin>
 	                <groupId>org.sonatype.central</groupId>
 	                <artifactId>central-publishing-maven-plugin</artifactId>