Bump aws-java-sdk from 1.12.313 to 1.12.318

Bumps [aws-java-sdk](https://github.com/aws/aws-sdk-java) from 1.12.313 to 1.12.318.
- [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@1.12.313...1.12.318)

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

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -53,7 +53,7 @@ java {
 ext {
   deps = [
     gocdPluginApi: 'cd.go.plugin:go-plugin-api:22.2.0',
-    awsSdk       : 'com.amazonaws:aws-java-sdk:1.12.313',
+    awsSdk       : 'com.amazonaws:aws-java-sdk:1.12.318',
   ]
 
   versions = project.ext.deps.collectEntries { lib, libGav -> [lib, libGav.split(':').last()] }