deps(maven): bump aws-java-sdk-core from 1.12.306 to 1.12.308

Bumps [aws-java-sdk-core](https://github.com/aws/aws-sdk-java) from 1.12.306 to 1.12.308.
- [Release notes](https://github.com/aws/aws-sdk-java/releases)
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-java@1.12.306...1.12.308)

---
updated-dependencies:
- dependency-name: com.amazonaws:aws-java-sdk-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

parent/pom.xml

@@ -945,7 +945,7 @@
       <dependency>
         <groupId>com.amazonaws</groupId>
         <artifactId>aws-java-sdk-core</artifactId>
-        <version>1.12.306</version>
+        <version>1.12.308</version>
         <scope>test</scope>
         <exclusions>
           <exclusion>