Make matrix values for next jobs.
matrix_value_from_file_action action is designed to make matrix value(eg. `"["test1", "test2"]"`)
Using matrix makes us to handle loop procedures.
This action will run following steps:
0. (caller's step) Write multiline values to a plain text file.
1. Convert the plain text file to a json file.
2. Convert the json file to a compacted array using jq and stored in the output.