rspec.yml in trestle-0.10.1

- old
+ new

@@ -28,9 +28,13 @@
             ruby: '3.3'
           - gemfile: rails-7.2
             ruby: '3.3'
           - gemfile: rails-7.2-propshaft
             ruby: '3.3'
+          - gemfile: rails-8.0
+            ruby: '3.3'
+          - gemfile: rails-8.0-propshaft
+            ruby: '3.3'
     runs-on: ubuntu-latest
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
     - uses: actions/checkout@v4