DRIVERS-1150 Writes are not retried within transactions

[comandeo]

Please complete the following before merging:

• Update changelog.
• Make sure there are generated JSON files from the YAML test files - not applicable.
• Test changes in at least one language driver - not applicable.
• Test these changes against all server versions and topologies (including standalone, replica set, sharded clusters, and serverless) - not applicable.

[kkloberdanz]

Hi Dmitry, is there any background information for this change that you would be able to share with us on this PR? Also, does it make sense to have a test for this behavior? Thank you.

[isabelatkinson]

LGTM with a few suggestions, I don't need to do another round of review

@kkloberdanz I see the following comment on DRIVERS-1150:

This is a simple but important clarification for non-engineer audiences. It requires no driver changes or new tests.

[comandeo]

Hi Dmitry, is there any background information for this change that you would be able to share with us on this PR? Also, does it make sense to have a test for this behavior? Thank you.

Hi Kyle, as I understood the ticket, we just need to copy instructions from transactions spec to retryable writes spec. The behaviour is tested here

[kkloberdanz]

Hi Dmitry, is there any background information for this change that you would be able to share with us on this PR? Also, does it make sense to have a test for this behavior? Thank you.

Hi Kyle, as I understood the ticket, we just need to copy instructions from transactions spec to retryable writes spec. The behaviour is tested here

Sounds good to me, I'll approve.