[Platform]: update to react-router v6

[carcruz]

[Platform]: update to react-router v6

Description

Migration is necessary to maintain the platform ahead with the latest react-router features.

Migration docs: https://reactrouter.com/upgrading/v6

Todo:

• Update apps and packages version
• App root working
• Home page working
• Downloads page
• Disease page
• Target page
• Drug page
• Variant page
• Study page
• Credible-set page
• Check query params in AotF

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

• Navigate over all UI

Checklist:

• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have made corresponding changes to the documentation