[5.1] replace web-token/signature-pack with web-token/jwt-library

[heelc29]

Possible Pull Request for Issue #42952 .

Summary of Changes

replace abandoned composer packages

Testing Instructions

run composer install

Actual result BEFORE applying this Pull Request

warning

Expected result AFTER applying this Pull Request

no warning

Additional comments

Removed packages do not contain relevant files

only web-token/jwt-experimental ...

[richard67]

I have tested this item ✅ successfully on e9bf761

The removed sub-dependencies consisted only of a readme file, the PHP files were already removed with the update from PR #42945 .

So we lose nothing with this PR here.

Unit tests, integration tests and system tests are successful, too.

However it needs to add some more deleted files and folders to script.php. I will make a follow-up PR for that.

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[richard67]

Follow-up PR for the deleted files and folders is PR #42955 .

[laoneo]

I have tested this item ✅ successfully on e9bf761

No abandoned warnings

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[richard67]

RTC

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[bembelimen]

Thanks