Merge pull request #542 from XcodesOrg/dependabot/github_actions/ruby/setup-ruby-1.173.0

Bump ruby/setup-ruby from 1.172.0 to 1.173.0

Author: MattKiazyk

.github/workflows/appcast.yml

@@ -23,7 +23,7 @@ jobs:
           ${{ runner.os }}-gems-
           
     - name: Setup Ruby, JRuby and TruffleRuby
-      uses: ruby/setup-ruby@v1.172.0
+      uses: ruby/setup-ruby@v1.173.0
       with:
         ruby-version: '3.0'