Add bundle install to gem push Github action

This fixes a missing issue gem issue with the action.

[1207966452799142](https://app.asana.com/0/0/1207966452799142/f)

Author: dmhuff

.github/workflows/gem-push.yml

@@ -15,6 +15,7 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: 3.3
+    - run: bundle install
 
     - name: Publish to Github Package Registry
       run: |