fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230364
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230365

Author: snyk-bot

pom.xml

@@ -119,7 +119,7 @@
         <shiro.version>1.13.0</shiro.version>
         <slf4j.version>1.7.32</slf4j.version>
         <spring.boot.version>2.5.12</spring.boot.version>
-        <spring.version>5.3.34</spring.version>
+        <spring.version>6.1.14</spring.version>
         <aws.version>1.12.638</aws.version>
 
         <nodejs.version>v16.13.0</nodejs.version>