Scan Result in error (JSONLINES)

### Description

> Please leave a brief description of the bug or feature request:
When scan finished on the entire repo, we have got an error that shows the following:
```
Filter scans...
Filter scan: licenses...
Filter scan: copyrights...
Save scan results...
Save scan results as: jsonlines...
ERROR: failed to run output plugin: jsonlines:
Traceback (most recent call last):
File "/home/runner/.local/lib/python3.10/site-packages/click/utils.py", line 152, in open
rv, self.should_close = open_stream(
File "/home/runner/.local/lib/python3.10/site-packages/click/_compat.py", line 404, in open_stream
return _wrap_io_open(filename, mode, encoding, errors), True
File "/home/runner/.local/lib/python3.10/site-packages/click/_compat.py", line 379, in _wrap_io_open
return open(file, mode, encoding=encoding, errors=errors)
IsADirectoryError: [Errno 21] Is a directory: 'scan'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/runner/.local/lib/python3.10/site-packages/scancode/cli.py", line 1081, in run_codebase_plugins
plugin.process_codebase(codebase, **kwargs)
File "/home/runner/.local/lib/python3.10/site-packages/formattedcode/output_jsonlines.py", line 47, in process_codebase
output_json_lines.write(
File "/home/runner/.local/lib/python3.10/site-packages/click/utils.py", line 137, in __getattr__
return getattr(self.open(), name)
File "/home/runner/.local/lib/python3.10/site-packages/click/utils.py", line 158, in open
raise FileError(self.name, hint=e.strerror) from e
click.exceptions.FileError: Is a directory

Scanning done.
Summary: licenses, copyrights with 1 process(es)
Errors count: 0
Scan Speed: 4.30 files/sec.
Initial counts: 3048 resource(s): 2068 file(s) and 980 directorie(s)
Final counts: 3048 resource(s): 2068 file(s) and 980 directorie(s)
Timings:
scan_start: 2023-06-01T150512.741215
scan_end: 2023-06-01T151317.813026
setup_scan:licenses: 3.35s
setup: 3.35s
inventory: 0.59s
scan:licenses: 0.26s
scan: 480.58s
total: 485.18s
Removing temporary files...done.
```

### How To Reproduce

> Tell us how to reproduce the issue.

scancode -clv --json-lines scan $GITHUB_WORKSPACE

### System configuration

> For bug reports, it really helps us to know:

* What OS are you running on? (Windows/MacOS/Linux)
* What version of scancode-toolkit was used to generate the scan file?
* What installation method was used to install/run scancode? (pip/source download/other)

Running via Github actions, running on ubuntu 20.04 runner
toolkit version: 32.0.2