remove stderr

action.yml

@@ -70,8 +70,6 @@ inputs:
 outputs:
   stdout:
     description: 'Standard output of the executed commands.'
-  stderr:
-    description: 'Standard error of the executed commands.'
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -1,14 +1,13 @@
 #!/bin/sh
 
 set -eu
+set -o pipefail
 
 export GITHUB="true"
 
 {
     sh -c "/bin/drone-ssh $*"
-} 2> /tmp/errFile | tee /tmp/outFile
+} | tee /tmp/outFile
 
 stdout=$(cat /tmp/outFile)
-stderr=$(cat /tmp/errFile)
 echo "stdout=${stdout//$'\n'/\\n}" >> $GITHUB_OUTPUT
-echo "stderr=${stderr//$'\n'/\\n}" >> $GITHUB_OUTPUT