publish_gem.yml in mailersend-ruby-1.2.0

- old
+ new

@@ -7,10 +7,10 @@
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Release Gem
         if: contains(github.ref, 'refs/tags/v')
         uses: cadwallion/publish-rubygems-action@master
         env:
\ No newline at end of file