Update ruby/setup-ruby action version to v1.278.0

Author: andrew

.github/workflows/main.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1
+        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true