Fix pipeline.

Author: devinlyons

.github/workflows/giraffe-release.yml

@@ -17,7 +17,7 @@ jobs:
           git branch --remote --contains | grep origin/main
 
       - name: Set VERSION variable from tag
-        run: echo "VERSION=${GITHUB_REF/refs\/tags\/v/}" >> $GITHUB_ENV
+        run: echo "VERSION=${GITHUB_REF/refs\/tags\/giraffe-v/}" >> $GITHUB_ENV
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v1