Bump org.springframework:spring-webmvc from 6.0.18 to 6.1.13 (#38)

Author: dependabot[bot]

pom.xml

@@ -15,7 +15,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
 
         <weixin-java-mp.version>4.6.0</weixin-java-mp.version>
-        <spring.version>6.0.23</spring.version>
+        <spring.version>6.1.13</spring.version>
         <spring-security.version>5.5.7</spring-security.version>
         <spring-security.version>5.7.12</spring-security.version>
         <guava.version>32.0.0-jre</guava.version>