Add holopin.yml config for GHC2023 event

[marcduiker]

Description

Add holopin config required to issue badges for the GHC2023 event. For more info see dapr/community#351

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: dapr/community#351

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b669585) 66.53% compared to head (daadc11) 66.53%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1147   +/-   ##
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  Coverage   66.53%   66.53%           
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  Files         171      171           
  Lines        5752     5752           
  Branches      626      626           
=======================================
  Hits         3827     3827           
  Misses       1776     1776           
  Partials      149      149           

Flag	Coverage Δ
net6	66.52% <ø> (ø)
net7	66.52% <ø> (ø)
net8	66.52% <ø> (ø)

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