chore(deps): bump aws.sdk.version from 2.41.14 to 2.49.6 in /backend (#5)

Bumps `aws.sdk.version` from 2.41.14 to 2.49.6.
Updates `software.amazon.awssdk:s3` from 2.41.14 to 2.49.6

Updates `software.amazon.awssdk:cloudwatchlogs` from 2.41.14 to 2.49.6

Updates `software.amazon.awssdk:apache-client` from 2.41.14 to 2.49.6

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

backend/pom.xml

@@ -24,7 +24,7 @@
         <maven.compiler.target>25</maven.compiler.target>
         <maven.compiler.release>25</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <aws.sdk.version>2.41.14</aws.sdk.version>
+        <aws.sdk.version>2.49.6</aws.sdk.version>
         <spring-ai.version>2.0.0</spring-ai.version>
     </properties>