Update unicorn_metrics.gemspec - raindrops
version bump to 0.19.1
#4
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The raindrops gem that unicorn_metrics is dependent on is not compatible with how Ruby 3 handles arguments passed with the * single splat operator. Because of this, calls to the middleware endpoint GET /unicorn_metrics was failing with the error:
The version v.0.19.1 introduces the fix for this Ruby 3 incompatibility.