fix(NODE-7469): overload retry when retryReads/Writes=false

[nbbeeken]

Description

Summary of Changes

https://jira.mongodb.org/browse/NODE-7469

Check that false retry settings are respected for overload errors

Notes for Reviewers

Spec sync and crossed fingers.

What is the motivation for this change?

retryability should still be disabled even when overload errors are returned

Double check the following

• Lint is passing (npm run check:lint)
• Self-review completed using the steps outlined here
• PR title follows the correct format: type(NODE-xxxx)[!]: description
  • Example: feat(NODE-1234)!: rewriting everything in coffeescript
• Changes are covered by tests
• New TODOs have a related JIRA ticket

[nbbeeken]

mongodb/specifications#1910

[Copilot]

Pull request overview

Adds/updates client backpressure unified spec tests to verify that overload retries respect retryReads=false / retryWrites=false, and adjusts the overload retry gating logic in the driver accordingly.

Changes:

• Update backpressure spec test suites (loop + max-attempts) to ignore killCursors monitoring noise and add coverage for retryReads/retryWrites=false scenarios (including read vs write aggregate).
• Regenerate corresponding JSON spec files from YAML updates.
• Modify overload retry eligibility logic in executeOperationWithRetries to consider retry settings for SystemOverloadedError cases.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
test/spec/client-backpressure/backpressure-retry-max-attempts.yml	Adds killCursors ignore and extends max-attempts coverage to include aggregate write case.
test/spec/client-backpressure/backpressure-retry-max-attempts.json	Regenerated JSON for the updated max-attempts YAML spec.
test/spec/client-backpressure/backpressure-retry-loop.yml	Adds clients with retryReads=false / retryWrites=false and many “does not retry” cases for overload errors.
test/spec/client-backpressure/backpressure-retry-loop.json	Regenerated JSON for the updated retry-loop YAML spec.
test/integration/client-backpressure/client-backpressure.spec.test.ts	Skips additional dropIndexes test case due to existing dropIndexes error-squashing behavior.
src/operations/execute_operation.ts	Changes overload retry gating to respect retry settings (but currently introduces a functional regression; see comment).

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