Authorize push of updated corpus

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

.github/workflows/fuzzing.yml

@@ -152,6 +152,7 @@ jobs:
         git config --global user.email 'ubpf@users.noreply.github.com'
         git config --global user.name 'Github Action'
         git commit -sm "Update fuzzing corpus"
+        git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/iovisor/ubpf.git
         git push
 
     - name: Upload artifacts