chore: Use custom repo

Signed-off-by: Javier Aliaga <[email protected]>

Author: javier-aliaga

.github/workflows/build-validation.yml

@@ -76,7 +76,8 @@ jobs:
       - name: Checkout Durable Task Sidecar
         uses: actions/checkout@v4
         with:
-          repository: dapr/durabletask-go
+          repository: javier-aliaga/durabletask-go
+          ref: upgrade-dockerfile
           path: durabletask-sidecar
 
         # TODO: Move the sidecar into a central image repository