sink(ticdc): set max-message-bytes default to 10m (#4036)

[ti-chi-bot]

This is an automated cherry-pick of #4036

What problem does this PR solve?

close #4041
set Kafka producer's default max-message-bytes to 10M, and use the minimum value among sink-uri's max-message-bytes, broker's message.max.bytes, topic's max.message.bytes to initialize the producer.

What is changed and how it works?

• set the default value of max-message-bytes to 10M
• use the min value of the 3 mentioned above to initialize the producer.

Check List

Tests

• Unit test

Code changes

Side effects

Related changes

Release note

Set `max-message-bytes` default to 10M, and use the min value with topic and broker to initialize the producer.

[ti-chi-bot]

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[3AceShowHand]

/run-all-tests

[3AceShowHand]

/run-all-tests

[3AceShowHand]

/run-all-tests

[3AceShowHand]

/run-unit-tests

[3AceShowHand]

/run-unit-test

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (release-5.0@eba76b8). Click here to learn what that means.
The diff coverage is n/a.

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