ci(pr-check): fix output path

.github/workflows/1-pr-check.yml

@@ -69,7 +69,7 @@ jobs:
             echo "running: $IMAGE"
             docker run -v ./tests/data:/data -v /tmp:/output -e INPUT=bipolar.edf -e OUTPUT=out.tsv $IMAGE
             HEADER_REGEX='^onset	duration	eventType	confidence	channels	dateTime	recordingDuration$'
-            if ! [[ $(head -n1 /tmp/output/out.tsv) =~ "$HEADER_REGEX" ]]; then
+            if ! [[ $(head -n1 /tmp/out.tsv) =~ "$HEADER_REGEX" ]]; then
               echo "Output does not have the expected header"
               exit 1
             fi