Bump com.amazonaws:aws-java-sdk-sts from 1.12.727 to 1.12.728

Bumps [com.amazonaws:aws-java-sdk-sts](https://github.com/aws/aws-sdk-java) from 1.12.727 to 1.12.728.
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-java@1.12.727...1.12.728)

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

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

Author: dependabot[bot]

examples/examples-release-19/pom.xml

@@ -93,7 +93,7 @@
 		<dependency>
 			<groupId>com.amazonaws</groupId>
 			<artifactId>aws-java-sdk-sts</artifactId>
-			<version>1.12.727</version>
+			<version>1.12.728</version>
 		</dependency>
 
 	</dependencies>

examples/examples-release-20/pom.xml

@@ -93,7 +93,7 @@
 		<dependency>
 			<groupId>com.amazonaws</groupId>
 			<artifactId>aws-java-sdk-sts</artifactId>
-			<version>1.12.727</version>
+			<version>1.12.728</version>
 		</dependency>
 
 	</dependencies>

pom.xml

@@ -156,7 +156,7 @@
       <dependency>
         <groupId>com.amazonaws</groupId>
         <artifactId>aws-java-sdk-sts</artifactId>
-        <version>1.12.727</version>
+        <version>1.12.728</version>
         <optional>true</optional>
       </dependency>
       <dependency>