fix: relax rspec-wait

Author: route

.github/workflows/linter.yml

@@ -11,7 +11,7 @@ jobs:
      strategy:
        fail-fast: false
        matrix:
-         ruby: [ 2.7, "3.0" ]
+         ruby: [ "2.7", "3.0" ]
      runs-on: ubuntu-latest
      steps:
        - name: Checkout code

Gemfile

@@ -11,7 +11,7 @@ gem "puma", ">= 5.6.7"
 gem "rake", "~> 13.0"
 gem "redcarpet", require: false, platform: :mri
 gem "rspec", "~> 3.8"
-gem "rspec-wait", "~> 1.0"
+gem "rspec-wait"
 gem "rubocop", "~> 1.22"
 gem "rubocop-rake", require: false
 gem "sinatra", "~> 3.2"