[FLINK-39280][docs] Add missing State Size Tracking Options to config page

[Savonitar]

What is the purpose of the change

Add missing "State Size Tracking Options" section to the configuration reference page

Brief change log

• The generated shortcodes (state_size_tracking_section.html) already existed but were not referenced in the docs
• Updated both English (docs/content/docs/deployment/config.md) and Chinese (docs/content.zh/docs/deployment/config.md) versions

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.
I verified locally by running the docs server and confirming the "State Size Tracking Options" section exists now.

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: (no)

Documentation

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

[flinkbot]

CI report:

• 03d585c Azure: SUCCESS

Bot commands

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[1996fanrui]

Thanks for fixing the doc

LGTM