build: increase startCI verbosity and fix job name

Ref: https://github.com/nodejs/node/issues/34594#issuecomment-669245839

PR-URL: https://github.com/nodejs/node/pull/34635
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

tools/actions/start-ci.sh

@@ -31,6 +31,7 @@ for pr in "$@"; do
   ci_started=yes
   rm -f output;
   ncu-ci run "$pr" >output 2>&1 || ci_started=no
+  cat output
 
   if [ "$ci_started" == "no" ]; then
     # Do we need to reset?