branch-4.0: [feat](catalog)Support for Loading Catalog Credentials via AwsCredentialsProviderChain #58740#59055
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…ialsProviderChain (#58740) ### Changes This update enables Catalogs to automatically load credentials for S3 or S3-compatible storage using AwsCredentialsProviderChain. Users no longer need to explicitly specify AK/SK in Catalog properties. The feature provides stronger support for cloud-native environments such as IRSA, containers, and EC2 Instance Profiles. ↳ All credential resolution is unified through DefaultDorisAwsCredentialsProviderChain, ensuring consistent and secure handling across the project. Key Behavior #### No need to configure AK/SK manually: Credentials can be automatically derived from IRSA, WebIdentity, container metadata, EC2 instance profile, environment variables, system properties, or AWS profile files. ↳ #### Unified credential resolution: All modules use DefaultDorisAwsCredentialsProviderChain to avoid inconsistent custom implementations. ↳ eg ``` CREATE CATALOG `iceberg_fs_catalog` PROPERTIES ( "type" = "iceberg", "iceberg.catalog.type" = "hadoop", "warehouse" = "s3://<bucket>/iceberg/fs/s3/warehouse/", "s3.region"="us-east-1", "s3.endpoint" = "s3.us-east-1.amazonaws.com" ); ```
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Cherry-picked from #58740