[hotfix][doc] There is a link redirection problem in the Chinese document of Checkpointing

[FlechazoW]

What is the purpose of the change

There is a link redirection problem in the Chinese document of Checkpointing.
When I wanted to click on the link of 'working with state' in the Chinese document to get more information, the page jumped to 404, but when I checked the English document, I found that turn to correct page. So i fix the link of 'working with state' in the Chinese document.

Brief change log

• Modify the link of 'working with state' in the Chinese document of Checkpointing.

Verifying this change

Please make sure both new and modified tests in this PR follows the conventions defined in our code quality guide: https://flink.apache.org/contributing/code-style-and-quality-common.html#testing

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

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

• Dependencies (does it add or upgrade a dependency): (yes / no) no
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no) no
• The serializers: (yes / no / don't know) no
• The runtime per-record code paths (performance sensitive): (yes / no / don't know) no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know) no
• The S3 file system connector: (yes / no / don't know) no

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

[MartijnVisser]

Waiting for a green build and then we can approve & get it merged

[flinkbot]

CI report:

• 46aaeb7 Azure: SUCCESS

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Automated Checks

Last check on commit 06481b2 (Wed Dec 22 19:27:50 UTC 2021)

Warnings:

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Review Progress

• ❓ 1. The [description] looks good.
• ❓ 2. There is [consensus] that the contribution should go into to Flink.
• ❓ 3. Needs [attention] from.
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• ❓ 5. Overall code [quality] is good.

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[FlechazoW]

@flinkbot run azure

[MartijnVisser]

@flinkbot run azure

[FlechazoW]

Hi, @MartijnVisser I am sorry i just do the wrong thing about 'git rebase'. Now i did it again for 'master' branch. I am sorry for my mistake.

[MartijnVisser]

@WTZ468071157 No worries, we'll see the build pass and then we can approve and get it merged!

[MartijnVisser]

@flinkbot run azure

[MartijnVisser]

@flinkbot run azure

[MartijnVisser]

@flinkbot run azure

[FlechazoW]

Is there any thing wrong with this pr? Is there anything I can do?

[MartijnVisser]

@WTZ468071157 There is an issue with external tests, which causes the build to fail (see https://issues.apache.org/jira/browse/FLINK-25426). We need to retry at this moment unfortunately :(

[MartijnVisser]

@flinkbot run azure

[MartijnVisser]

@flinkbot run azure

[MartijnVisser]

@WTZ468071157 Can you please rebase your local branch on master ?

[FlechazoW]

@MartijnVisser Oh, the ci test success finally! Thank you very much for helping me accomplish this pr.

[MartijnVisser]

Thank you very much for your PR!

@fapaul Can you please merge?