升级log4j2到安全版本，防止漏洞风险

pom.xml

@@ -32,6 +32,7 @@
         <commons.fileupload.version>1.4</commons.fileupload.version>
         <poi.version>4.1.2</poi.version>
         <velocity.version>2.3</velocity.version>
+        <log4j2.version>2.15.0</log4j2.version>
     </properties>
 
     <!-- 依赖声明 -->
@@ -176,7 +177,20 @@
                 <artifactId>fastjson</artifactId>
                 <version>${fastjson.version}</version>
             </dependency>
+
+            <!-- log4j日志组件 -->
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-api</artifactId>
+                <version>${log4j2.version}</version>
+            </dependency>
             
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-to-slf4j</artifactId>
+                <version>${log4j2.version}</version>
+            </dependency>
+
             <!-- 定时任务-->
             <dependency>
                 <groupId>com.ruoyi</groupId>