fix: empty output package (#2)

Author: qrkourier

entrypoint.sh

@@ -9,5 +9,5 @@ if [ "$INPUT_CONFIG" != "" ] && [ "$INPUT_PACKAGER" != "" ]; then
     if [ "$name" = "" ]; then
         exit 1
     fi
-   echo "{package}={$name}" >> $GITHUB_OUTPUT
+   echo "package=$name" >> $GITHUB_OUTPUT
 fi