Add url as output for the debos build

Signed-off-by: Matt Hart <[email protected]>

Author: mattface

.github/workflows/debos.yml

@@ -120,4 +120,5 @@ jobs:
           # instruct fileserver to publish this directory
           url="${FILESERVER_URL}/${BUILD_ID}/"
           curl -X POST -H 'Accept: text/event-stream' "${url}"
+          echo "url=\"${url}\"" >> $GITHUB_OUTPUT