Update workflow

Author: ngan

.github/workflows/publish.yml

@@ -11,11 +11,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@5126516654c75f76bca1de45dd82a3006d8890f9
+      - uses: actions/checkout@v4
 
       - name: Release Gem
         if: contains(github.ref, 'refs/tags/v')
-        uses: cadwallion/publish-rubygems-action@8f9e0538302643309e4e43bf48cd34173ca48cfc
+        uses: cadwallion/publish-rubygems-action@master
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
           RUBYGEMS_API_KEY: ${{secrets.RUBYGEMS_API_KEY}}