fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONCORE-3038424
- https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONCORE-3038426
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-6444790
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORKSECURITY-6457293

pom.xml

@@ -71,7 +71,7 @@
         <dependency>
             <groupId>com.amazonaws</groupId>
             <artifactId>aws-java-sdk-kms</artifactId>
-            <version>1.12.200</version>
+            <version>1.12.684</version>
         </dependency>
 
         <dependency>