perf(zero): Update delta frequency

[ghost]

Description

Please explain the changes you made here.

Checklist

• [ ] Code compiles correctly and linting passes locally
• [ ] For all code changes, an entry added to the CHANGELOG.md file describing and linking to this PR
• [ ] Tests added for new functionality, or regression tests for bug fixes added as applicable
• [ ] For public APIs, new features, etc., PR on docs repo staged and linked here

Instructions

• The PR title should follow the Conventional Commits syntax, leading with fix:, feat:, chore:, ci:, etc.
• The description should briefly explain what the PR is about. In the case of a bugfix, describe or link to the bug.
• In the checklist section, check the boxes in that are applicable, using [x] syntax.
  • If not applicable, remove the entire line. Only leave the box unchecked if you intend to come back and check the box later.
• Delete the Instructions line and everything below it, to indicate you have read and are following these instructions. 🙂

Thank you for your contribution to Dgraph!

[trunk-io[bot]]

     

Failed Test	Failure Summary	Logs
TestVectorDropAll	Error hitting health endpoint, context deadline exceeded.	Logs ↗︎
TestLivePassword/export	Expected 'secret' to be true, but it was false in the exported password.	Logs ↗︎
TestACLSuite	failure_message: Failedfailure_text: === RUN TestACLSuite--- FAIL: TestACLSuite (24.89s)	Logs ↗︎
TestACLSuite/TestAllPredsPermission	Expected JSON and actual JSON differ: updateGroup permission and predicate values.	Logs ↗︎

... and 1 more

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