workflow optimizations

Author: invalidusrname

.github/workflows/2018-ruby.yaml

@@ -26,9 +26,5 @@ jobs:
       with:
         ruby-version: ${{ steps.determine-ruby-version.outputs.VERSION }}
         bundler-cache: true
-    - name: Install gems
-      run: |
-        gem update bundler
-        bundle
     - name: Run tests
       run: bundle exec rspec

.github/workflows/2021-ruby.yaml

@@ -26,9 +26,5 @@ jobs:
       with:
         ruby-version: ${{ steps.determine-ruby-version.outputs.VERSION }}
         bundler-cache: true
-    - name: Install gems
-      run: |
-        gem update bundler
-        bundle
     - name: Run tests
       run: bundle exec rspec

.github/workflows/2024-ruby.yaml

@@ -16,19 +16,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Determine ruby version
-      id: determine-ruby-version
-      run: |
-        VERSION=$(cat .ruby-version)
-        echo "VERSION=${VERSION}" >> "$GITHUB_OUTPUT"
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{ steps.determine-ruby-version.outputs.VERSION }}
         bundler-cache: true
-    - name: Install gems
-      run: |
-        gem update bundler
-        bundle
     - name: Run tests
       run: bundle exec rspec