.oniro-ci: attach callback url to squad build ID instead of pipeline ID

Pipeline ID is used as squad project level build ID. However, squad
build ID is the one to use for api calls. It is unique cross the
instance.

Signed-off-by: Chase Qi <chase.qi@linaro.org>

.oniro-ci/test-generic.yaml

@@ -75,7 +75,8 @@
         curl $CI_SQUAD_INSTANCE/api/submitjob/oniro-core/$CI_PROJECT_NAME/$CI_PIPELINE_ID/$MACHINE --header "Auth-Token: $CI_SQUAD_TOKEN"  --form "backend=oniro_lava" --form "definition=@${job_def}"
       done
       # Attach a callback to this build to trigger the lava-report job
-      curl -X POST $CI_SQUAD_INSTANCE/api/build/$CI_PIPELINE_ID/callbacks/ -F "callback_url=$CALLBACK_URL"
+      squad_build_id="$(curl --silent "$CI_SQUAD_INSTANCE/api/builds/?version=$CI_PIPELINE_ID" | jq -r '.results[0].id')"
+      curl -X POST $CI_SQUAD_INSTANCE/api/builds/$squad_build_id/callbacks/ --header "Authorization: Token $CI_SQUAD_TOKEN" -F "callback_url=$CALLBACK_URL"
   artifacts:
     paths:
       - lava_jobs/*.yaml