chore(master): release js-lib 2.1.0

[github-actions[bot]]

:robot: I have created a release beep boop

2.1.0 (2023-03-20)

Features

• retry mechanism for username registration (#106) (99fc7e5)

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[github-actions[bot]]

:robot: Release is at https://github.com/fairDataSociety/fdp-contracts/releases/tag/fdp-contracts-js-lib-v2.1.0 :sunflower: