changefeedccl: increase chaos roachtest latency limits

[samiskin]

Resolves: #93238

Since our job-level retry MaxBackoff has increased from 10 seconds to 10 minutes, increase the chaos test latency limits.

Release note: None

[cockroach-teamcity]

This change is 

[miretskiy]

would be nice to figure out how to change that default instead of making tests take longer?

[miretskiy]

Reviewed 3 of 3 files at r2, all commit messages.
Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @samiskin)

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pkg/ccl/changefeedccl/retry.go line 33 at r2 (raw file):

			InitialBackoff: 5 * time.Millisecond,
			Multiplier:     2,
			MaxBackoff:     250 * time.Minute,

ouch :)

[samiskin]

bors r+

[craig]

Build succeeded:

• Bazel Essential CI (Cockroach)

[samiskin]

blathers backport 22.2

[blathers-crl]

Encountered an error creating backports. Some common things that can go wrong:

1. The backport branch might have already existed.
2. There was a merge conflict.
3. The backport branch contained merge commits.

You might need to create your backport manually using the backport tool.

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error creating merge commit from 4ccf567 to blathers/backport-release-22.2-93552: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 22.2 failed. See errors above.

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