Use prerelease flag for draft releases (#4319)

.github/workflows/release.yaml

@@ -15,6 +15,7 @@ jobs:
       contains(github.event.pull_request.labels.*.name, 'Release')
     outputs:
       version: ${{ steps.current_version.outputs.version }}
+      is_prerelease: ${{ steps.check_prerelease.outputs.is_prerelease }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -24,6 +25,15 @@ jobs:
       - name: Get current version
         id: current_version
         run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+      - name: Check if prerelease
+        id: check_prerelease
+        run: |
+          VERSION=${{ steps.current_version.outputs.version }}
+          if [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+- ]]; then
+            echo "is_prerelease=true" >> $GITHUB_OUTPUT
+          else
+            echo "is_prerelease=false" >> $GITHUB_OUTPUT
+          fi
       - name: Build project
         env:
           SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
@@ -62,9 +72,9 @@ jobs:
             dist.zip
           tag_name: v${{ needs.build.outputs.version }}
           target_commitish: ${{ github.event.pull_request.base.ref }}
-          make_latest: ${{ github.event.pull_request.base.ref == 'main' }}
-          draft: ${{ github.event.pull_request.base.ref != 'main' }}
-          prerelease: false
+          make_latest: ${{ github.event.pull_request.base.ref == 'main' && needs.build.outputs.is_prerelease == 'false' }}
+          draft: ${{ github.event.pull_request.base.ref != 'main' || needs.build.outputs.is_prerelease == 'true' }}
+          prerelease: ${{ needs.build.outputs.is_prerelease == 'true' }}
           generate_release_notes: true
 
   publish_pypi: