fix(analytics): use new textrack API

[jboix]

Description

Closes #52

The SRGAnalytics class was still using the videojs textTracks.

Changes made

This fix substitutes it for the newly introduced textTrack which already filters the subtitles by show status and excludes any subtitle labelled as metadata or chapter.

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	98.35% (-0.21% 🔻)	476/484
🟢	Branches	93.42% (-0.41% 🔻)	227/243
🟢	Functions	100%	137/137
🟢	Lines	99.14% (-0.22% 🔻)	459/463

Show files with reduced coverage 🔻

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St.^{:grey_question:}

| File | Statements | Branches | Functions | Lines | | :----------------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------- | :------------------------------------------------------------- | :------------------------------------------------------------- | :-------- | :------------------------------------------------------------- | | 🟢 |

`...` / SRGAnalytics.js

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97.49% (-0.44% 🔻)

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90.16% (-0.82% 🔻)

| 100% |

98.29% (-0.44% 🔻)

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Test suite run success

142 tests passing in 9 suites.

Report generated by 🧪jest coverage report action from fd72f190796135b9c86fe56871d902287b8bcdf5

[github-actions[bot]]

:tada: This PR is included in version 1.0.0 :tada:

The release is available on:

• npm package (@main dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: