use full knope-action version; add dry-run to CI

.github/workflows/release.yml

@@ -4,6 +4,9 @@ on:
   push:
     branches:
       - main
+  pull_request:
+    branches:
+      - main
   workflow_dispatch:
     inputs:
       type:
@@ -25,12 +28,15 @@ jobs:
         fetch-depth: 0
         token: ${{ secrets.PAT }}
     - name: Install Knope
-      uses: knope-dev/action@v2
+      uses: knope-dev/action@v2.0.0
       with:
         version: 0.16.0 # Test before updating, breaking changes likely: https://github.com/knope-dev/action#install-latest-version
     - run: |
         git config --global user.name "${{ github.triggering_actor }}"
         git config --global user.email "${{ github.triggering_actor}}@users.noreply.github.com"
+    - name: Dry-run Release
+      run: knope release --verbose --dry-run
+      if: github.event_name == 'pull_request'
     - name: Prepare Prerelease
       run: knope release --verbose --prerelease-label=rc
       if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && inputs.type == 'prerelease')