Update Ericsson scraper to use new job listing URL and correct data e…

[lalalaurentiu]

This pull request updates the Ericsson jobs scraper to use a new API endpoint and adjusts how job data is accessed and processed. The main changes ensure compatibility with the updated API response format and improve job link construction.

API integration and data handling updates:

• Switched the API endpoint from /api/apply/v2/jobs to /api/pcsx/search, updating query parameters to match the new endpoint requirements.
• Adjusted parsing of job count and positions to reflect the new JSON structure, accessing them via scraper.markup["data"]["count"] and scraper.markup["data"]["positions"] respectively.

Job data construction improvements:

• Updated job link construction to concatenate the base URL (https://jobs.ericsson.com) with the relative positionUrl from the job entry, replacing the previous use of canonicalPositionUrl.…xtraction logic