[Hotfix] Update log4j to 2.25.3

[eschcam]

What is the purpose of the change

log4j-core 2.24.3 contains CVE-2025-68161

Brief change log

• Update log4j version to 2.25.3

Verifying this change

Passes CI Tests

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

• Dependencies (does it add or upgrade a dependency): yes
• 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: no

Documentation

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

[flinkbot]

CI report:

• c0a9590 Azure: SUCCESS

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