Enable hiredis test (#60)

Author: supercaracal

.github/workflows/test.yaml

@@ -37,7 +37,7 @@ jobs:
       matrix:
         redis: ['7.0.1', '6.2.7']
         ruby: ['3.1', '3.0', '2.7']
-        driver: ['ruby'] # FIXME: freaky hiredis
+        driver: ['ruby', 'hiredis']
         docker: ['docker-compose.yaml', 'docker-compose.ssl.yaml']
     runs-on: ubuntu-latest
     env:

Gemfile

@@ -3,7 +3,7 @@
 source 'https://rubygems.org'
 gemspec name: 'redis-cluster-client'
 
-gem 'hiredis-client'
+gem 'hiredis-client', git: 'https://github.com/redis-rb/redis-client', glob: 'hiredis-client/*.gemspec'
 gem 'minitest'
 gem 'rake'
 gem 'rubocop'