feat: update react & react-dom to v17 (#1127)

* feat: update react & react-dom to v17

* build: update paragon version

* refactor: updated edx packages

* refactor: updated react-unit-test-utils

* build: update lock file

* build: update lock file

* build: update lock file

* build: update lock file

* refactor: bumped frontend-lib-learning-assistant version

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Co-authored-by: mashal-m <mashal.malik@arbisoft.com>