build(pom): normalize pom.xml formatting (4-space indent)

Author: loong10k

pom.xml

@@ -13,7 +13,7 @@
     <licenses>
         <license>
             <name>The Apache Software License, Version 2.0</name>
-            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
         </license>
     </licenses>
 
@@ -40,27 +40,27 @@
 
     <!-- 版本属性定义：Java 版本、依赖版本与 Maven 插件版本统一管理 -->
     <properties>
-            <java.version>21</java.version>
-            <maven.compiler.release>${java.version}</maven.compiler.release>
-            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-            <!-- Dependency versions -->
-            <commons-lang3.version>3.20.0</commons-lang3.version>
-            <easy4j-spring-security-extension.version>3.0.x.20260630-SNAPSHOT</easy4j-spring-security-extension.version>
-            <jackson-bom.version>3.2.1</jackson-bom.version>
-            <javax-servlet-api.version>4.0.1</javax-servlet-api.version>
-            <junit-jupiter.version>6.1.0</junit-jupiter.version>
-            <lombok.version>1.18.46</lombok.version>
-            <mockito.version>5.20.0</mockito.version>
-            <slf4j.version>2.0.18</slf4j.version>
-            <spring-framework.version>5.3.39</spring-framework.version>
-            <spring-security.version>5.6.0</spring-security.version>
-            <!-- Maven Plugin versions -->
-            <maven-central-publishing-plugin.version>0.11.0</maven-central-publishing-plugin.version>
-            <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
-            <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
-            <maven-jacoco-plugin.version>0.8.15</maven-jacoco-plugin.version>
-            <maven-javadoc-plugin.version>3.11.2</maven-javadoc-plugin.version>
-            <maven-source-plugin.version>3.4.0</maven-source-plugin.version>
+        <java.version>21</java.version>
+        <maven.compiler.release>${java.version}</maven.compiler.release>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <!-- Dependency versions -->
+        <commons-lang3.version>3.20.0</commons-lang3.version>
+        <easy4j-spring-security-extension.version>3.0.x.20260630-SNAPSHOT</easy4j-spring-security-extension.version>
+        <jackson-bom.version>3.2.1</jackson-bom.version>
+        <javax-servlet-api.version>4.0.1</javax-servlet-api.version>
+        <junit-jupiter.version>6.1.0</junit-jupiter.version>
+        <lombok.version>1.18.46</lombok.version>
+        <mockito.version>5.20.0</mockito.version>
+        <slf4j.version>2.0.18</slf4j.version>
+        <spring-framework.version>5.3.39</spring-framework.version>
+        <spring-security.version>5.6.0</spring-security.version>
+        <!-- Maven Plugin versions -->
+        <maven-central-publishing-plugin.version>0.11.0</maven-central-publishing-plugin.version>
+        <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
+        <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
+        <maven-jacoco-plugin.version>0.8.15</maven-jacoco-plugin.version>
+        <maven-javadoc-plugin.version>3.11.2</maven-javadoc-plugin.version>
+        <maven-source-plugin.version>3.4.0</maven-source-plugin.version>
     </properties>
 
     <!-- 依赖版本统一管理（dependencyManagement） -->