gem-push.yml in tessitura_rest-1.2.0.1

- old
+ new

@@ -13,12 +13,12 @@
       contents: read
       packages: write
     steps:
       - uses: actions/checkout@v2
       - name: Set up Ruby 2.6
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.6.x
+          ruby-version: '2.6'
 
       - name: Publish to RubyGems
         run: |
           mkdir -p $HOME/.gem
           touch $HOME/.gem/credentials
\ No newline at end of file