feat: jsonL support

[Jorjeous]

PR fulfills these requirements

• [+] Commit message(s) and PR title follows the format [fix|feat|ci|chore|doc]: TICKET-ID: Short description of change made ex. fix: DEV-XXXX: Removed inconsistent code usage causing intermittent errors
• [-] Tests for the changes have been added/updated (for bug fixes/features)
• [-] Docs have been added/updated (for bug fixes/features)
• [-] Best efforts were made to ensure docs/code are concise and coherent (checked for spelling/grammatical errors, commented out code, debug logs etc.)
• [+] Self-reviewed and ran all changes on a local instance (for bug fixes/features)

Change has impacts in these area(s)

(check all that apply)

• Product design
• Backend (Database)
• Backend (API)
• Frontend
• [+] OtherBackend

Describe the reason for change

(link to issue, supportive screenshots etc.)
People often confuse json and jsonL
The nemo framework deliberately uses the name json, although in fact it is jsonL

What does this fix?

(if this is a bug fix)

What is the new behavior?

(if this is a breaking or feature change)
Ability to import jsonL

What is the current behavior?

(if this is a breaking or feature change)

What libraries were added/updated?

(list all with version changes)
No

Does this change affect performance?

(if so describe the impacts positive or negative)
No

Does this change affect security?

(if so describe the impacts positive or negative)
No

What alternative approaches were there?

(briefly list any if applicable)

What feature flags were used to cover this change?

(briefly list any if applicable)

Does this PR introduce a breaking change?

(check only one)

• Yes, and covered entirely by feature flag(s)
• Yes, and covered partially by feature flag(s)
• [+] No
• Not sure (briefly explain the situation below)

What level of testing was included in the change?

(check all that apply)

• e2e
• integration
• unit
• [+] Manual

Which logical domain(s) does this change affect?

(for bug fixes/features, be as precise as possible. ex. Authentication, Annotation History, Review Stream etc.)
Data import

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[sentry-io]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: label_studio/data_import/models.py

Function	Unhandled Issue
read_tasks	[**ValidationError: "Failed to parse input file upload/64275/1870f275-dic2023_traducido.csv: 'utf-8' codec can't dec...** ... Event Count: 1

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[sajarin]

/jira create

Workflow run
Jira issue TRIAG-550 is created