chore(deps): update ruby/setup-ruby digest to a6b46b8

Author: renovate[bot]

.github/workflows/brakeman.yml

@@ -34,7 +34,7 @@ jobs:
 
     # Customize the ruby version depending on your needs
     - name: Setup Ruby
-      uses: ruby/setup-ruby@250fcd6a742febb1123a77a841497ccaa8b9e939
+      uses: ruby/setup-ruby@a6b46b8a08edb18935835849f2a17072d5cc8c73
       with:
         ruby-version: '2.7'
 

.github/workflows/rubocop.yml

@@ -28,7 +28,7 @@ jobs:
     # If running on a self-hosted runner, check it meets the requirements
     # listed at https://github.com/ruby/setup-ruby#using-self-hosted-runners
     - name: Set up Ruby
-      uses: ruby/setup-ruby@250fcd6a742febb1123a77a841497ccaa8b9e939
+      uses: ruby/setup-ruby@a6b46b8a08edb18935835849f2a17072d5cc8c73
       with:
         ruby-version: 2.6