[FLINK-39552][s3] Add native-s3-fs in DIRECTLY_SUPPORTED_FILESYSTEM

[Samrat002]

What is the purpose of the change

Add native-s3-fs in DIRECTLY_SUPPORTED_FILESYSTEM

Brief change log

add native-s3-fs in recognised plugin for s3 filesystem

Verifying this change

Existing UT and improved assertions

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): no
• The public API, i.e., is any changed class annotated with @Public(Evolving): no
• The serializers: no
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
• The S3 file system connector: yes

Documentation

• Does this pull request introduce a new feature? (yes / no) no
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented) no

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Was generative AI tooling used to co-author this PR?

No

[Samrat002]

@gaborgsomogyi PTAL

[flinkbot]

CI report:

• 1204e50 Azure: SUCCESS

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