ticdc: add event filter example

[CharlesCheung96]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-12 10:08:50.018255764 +0000 UTC m=+545684.071567688: ☑️ agreed by Oreoxmt.

[Oreoxmt]

/approve

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #17741.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.6: #17742.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.0: #17743.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #17744.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #17745.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #17746.