fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-31326

Author: snyk-bot

pom.xml

@@ -19,7 +19,7 @@
         <guava.version>31.0.1-jre</guava.version>
         <swagger.version>3.0.0</swagger.version>
         <mybatis-plus-boot-starter.version>3.4.3.4</mybatis-plus-boot-starter.version>
-        <graphql-spring-boot-starter.version>11.1.0</graphql-spring-boot-starter.version>
+        <graphql-spring-boot-starter.version>12.0.0</graphql-spring-boot-starter.version>
         <graphql-java-tools.version>11.1.2</graphql-java-tools.version>
         <jsoup.version>1.14.2</jsoup.version>
         <compileflow.version>1.1.0</compileflow.version>