upgrading delay to 6.0.0

[jaredwray]

Please check if the PR fulfills these requirements

• Followed the Contributing guidelines.
• Tests for the changes have been added (for bug fixes/features) with 100% code coverage.
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
upgrading delay to 6.0.0

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (b27ef99) 100.00% compared to head (345c1be) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #239   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines          162       162           
  Branches        38        38           
=========================================
  Hits           162       162           

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