ci: include pre-release label for RCs

Signed-off-by: Mike Nguyen <[email protected]>

.github/workflows/release-on-tag.yaml

@@ -38,8 +38,9 @@ jobs:
         run: |
           echo "RELEASE_VERSION=$(echo ${GITHUB_REF:10})" >> $GITHUB_ENV
 
-      - name: Release
+      - name: Release Main
         uses: actions/create-release@v1
+        if: !contains(github.ref , 'rc')
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
@@ -49,6 +50,18 @@ jobs:
           draft: false
           prerelease: false
 
+      - name: Release RC
+        uses: actions/create-release@v1
+        if: contains(github.ref, 'rc')
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: Automatic Go Dapr client release
+          draft: false
+          prerelease: true
+
       - name: Notify
         uses: rjstone/discord-webhook-notify@v1
         with: