DDL internal txn reports "GC life time is shorter than transaction duration"

[tangenta]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. Prepare a large dataset.
2. Create an index for a wide column.
3. It may take more than 10 min to finish the partial import.

2. What did you expect to see? (Required)

Adding index complete without errors.

3. What did you see instead (Required)

The state of adding index becomes "rollback done".

GC life time is shorter than transaction duration

4. What is your TiDB version? (Required)

b314a9c

[tangenta]

#42895 is not completely solved, I open another one because it is easier to manage cherry-pick PRs.