misc: Typo

Author: JDBetteridge

.github/actions/docker-run/action.yaml

@@ -34,7 +34,7 @@ runs:
         ENV_STRING=""
         # Read line by line with here string, safely handling spaces within the values
         while IFS= read -r LINE; do
-          if [[ -n "$line" ]]; then
+          if [[ -n "$LINE" ]]; then
             ENV_STRING="$ENV_STRING --env $LINE"
           fi
         done <<< "$ENV_INPUT"