chore: upgrade minitest-reporters dependency to ~> 1.8.0 (#255)

Author: quartzmo

google-cloud-spanner/Gemfile

@@ -16,7 +16,7 @@ gem "irb", "~> 1.17"
 gem "minitest", "~> 5.25"
 gem "minitest-autotest", "~> 1.0"
 gem "minitest-focus", "~> 1.4"
-gem "minitest-reporters", "~> 1.7"
+gem "minitest-reporters", "~> 1.8.0"
 gem "minitest-rg", "~> 5.3"
 
 gem "mutex_m", "~> 0.3.0"

google-cloud-spanner/Gemfile.lock

@@ -314,7 +314,7 @@ DEPENDENCIES
   minitest (~> 5.25)
   minitest-autotest (~> 1.0)
   minitest-focus (~> 1.4)
-  minitest-reporters (~> 1.7)
+  minitest-reporters (~> 1.8.0)
   minitest-rg (~> 5.3)
   mutex_m (~> 0.3.0)
   pry