Update push

.github/workflows/gem-push.yml

@@ -1,38 +1,32 @@
-name: Push Gem
+name: Ruby Gem
+
 on:
   push:
-    branches:
-      - master
+    branches: [ master ]
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    name: Build + Publish
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
     steps:
-      - uses: actions/checkout@v2
-      - name: Ruby gem cache
-        uses: actions/cache@v2
-        with:
-          path: ${{ github.workspace }}/vendor/bundle
-          key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-gems-
-      - name: Bundle Setup
-        run: |
-          gem install --no-document bundler
-          bundle config path ${{ github.workspace }}/vendor/bundle
-      - name: Bundle Install
-        run: bundle install --jobs 4 --retry 3
-      - name: Set Credentials
-        run: |
-          mkdir -p $HOME/.gem
-          touch $HOME/.gem/credentials
-          chmod 0600 $HOME/.gem/credentials
-          printf -- "---\n:github: Bearer ${GITHUB_TOKEN}\n" > $HOME/.gem/credentials
-        env:
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-      - name: Publish to GitHub Packages
-        run: |
-          export OWNER=$( echo ${{ github.repository }} | cut -d "/" -f 1 )
-          gem build pronto-rubocop.gemspec
-          gem push --KEY github --host https://rubygems.pkg.github.com/${OWNER} *.gem
-          gem push *.gem
+    - uses: actions/checkout@v3
+    - name: Set up Ruby 2.7
+      uses: actions/setup-ruby@v1
+      with:
+        ruby-version: 2.7.x
+
+    - name: Publish to GPR
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:github: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+        gem build *.gemspec
+        gem push --KEY github --host https://rubygems.pkg.github.com/${OWNER} *.gem
+      env:
+        GEM_HOST_API_KEY: "Bearer ${{secrets.GITHUB_TOKEN}}"
+        OWNER: ${{ github.repository_owner }}