Update dependency com.amazonaws:aws-java-sdk-dynamodb to v1.12.274

Author: renovate[bot]

mixed-examples/win10vagrant/data/spring-maven-sample/pom.xml

@@ -45,7 +45,7 @@
         <dependency>
             <groupId>com.amazonaws</groupId>
             <artifactId>aws-java-sdk-dynamodb</artifactId>
-            <version>1.12.267</version>
+            <version>1.12.274</version>
         </dependency>
         <dependency>
             <groupId>com.github.derjust</groupId>