[Java] Remove AWS SDK v1 STS dependency from serializer-deserializer

[jvdadda]

Issue #, if available: #500

Description of changes:

Remove the com.amazonaws:aws-java-sdk-sts (AWS SDK v1) dependency from the serializer-deserializer module. The v2 equivalent software.amazon.awssdk:sts is already declared and no v1 STS classes are used in source code.

Also updates Javadoc comments referencing the v1 class name AWSCredentialsProvider to the v2 name AwsCredentialsProvider.

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[Copilot]

Pull request overview

This PR removes the AWS SDK v1 STS dependency (com.amazonaws:aws-java-sdk-sts) from the serializer-deserializer module, as part of the broader effort to fully remove AWS Java SDK v1 references (issue #500). The v2 equivalent (software.amazon.awssdk:sts) was already declared and no v1 STS classes were used in the source code. Additionally, Javadoc comments referencing the v1 class name AWSCredentialsProvider are updated to the v2 name AwsCredentialsProvider.

Changes:

• Removed the com.amazonaws:aws-java-sdk-sts dependency from serializer-deserializer/pom.xml
• Updated Javadoc comments in AWSKafkaAvroDeserializer and GlueSchemaRegistryKafkaDeserializer to reference AwsCredentialsProvider instead of AWSCredentialsProvider
• Updated corresponding test comments to match the new class name

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
serializer-deserializer/pom.xml	Removed AWS SDK v1 STS dependency
serializer-deserializer/src/main/java/.../AWSKafkaAvroDeserializer.java	Updated Javadoc to reference AwsCredentialsProvider
serializer-deserializer/src/main/java/.../GlueSchemaRegistryKafkaDeserializer.java	Updated Javadoc to reference AwsCredentialsProvider
serializer-deserializer/src/test/java/.../AWSKafkaAvroDeserializerTest.java	Updated test comment to reference AwsCredentialsProvider
serializer-deserializer/src/test/java/.../GlueSchemaRegistryKafkaDeserializerTest.java	Updated test comment to reference AwsCredentialsProvider

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