chore: update gh gem-push flow

.github/workflows/gem-push.yml

@@ -3,8 +3,6 @@ name: Ruby Gem
 on:
   push:
     branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
 
 jobs:
   build:
@@ -15,12 +13,20 @@ jobs:
       packages: write
 
     steps:
+    - uses: GoogleCloudPlatform/release-please-action@v2
+      id: release
+      with:
+        release-type: ruby
+        package-name: contrived_math
+        bump-minor-pre-major: true
+        version-file: "lib/flat_api/version.rb"
     - uses: actions/checkout@v3
+      if: ${{ steps.release.outputs.release_created }}
     - name: Set up Ruby 3.3
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: 3.3
-
+      if: ${{ steps.release.outputs.release_created }}
     - name: Publish to GPR
       run: |
         mkdir -p $HOME/.gem
@@ -32,7 +38,7 @@ jobs:
       env:
         GEM_HOST_API_KEY: "Bearer ${{secrets.GITHUB_TOKEN}}"
         OWNER: ${{ github.repository_owner }}
-
+      if: ${{ steps.release.outputs.release_created }}
     - name: Publish to RubyGems
       run: |
         mkdir -p $HOME/.gem
@@ -43,3 +49,4 @@ jobs:
         gem push *.gem
       env:
         GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"
+      if: ${{ steps.release.outputs.release_created }}