chore(deps): update ruby/setup-ruby action to v1.266.0

Author: renovate[bot]

.github/workflows/build-and-test.yml

@@ -55,7 +55,7 @@ jobs:
           sudo xcode-select -s /Applications/Xcode_26.0.1.app/Contents/Developer
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0 # v1.265.0, https://github.com/ruby/setup-ruby
+        uses: ruby/setup-ruby@4ff6f3611a42bc75eee1e5138240eb1613f48c8f # v1.266.0, https://github.com/ruby/setup-ruby
         with:
           ruby-version: '3.4.7'
 
@@ -80,7 +80,7 @@ jobs:
           sudo xcode-select -s /Applications/Xcode_26.0.1.app/Contents/Developer
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0 # v1.265.0, https://github.com/ruby/setup-ruby
+        uses: ruby/setup-ruby@4ff6f3611a42bc75eee1e5138240eb1613f48c8f # v1.266.0, https://github.com/ruby/setup-ruby
         with:
           ruby-version: '3.4.7'
 
@@ -106,7 +106,7 @@ jobs:
           sudo xcode-select -s /Applications/Xcode_26.0.1.app/Contents/Developer
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0 # v1.265.0, https://github.com/ruby/setup-ruby
+        uses: ruby/setup-ruby@4ff6f3611a42bc75eee1e5138240eb1613f48c8f # v1.266.0, https://github.com/ruby/setup-ruby
         with:
           ruby-version: '3.4.7'
 

.github/workflows/periphery.yml

@@ -48,7 +48,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0 # v1.265.0, https://github.com/ruby/setup-ruby
+        uses: ruby/setup-ruby@4ff6f3611a42bc75eee1e5138240eb1613f48c8f # v1.266.0, https://github.com/ruby/setup-ruby
         with:
           ruby-version: '3.4.7'