fix(deps): update dependency react-router-dom to v6.21.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react-router-dom (source)	6.21.2 -> 6.21.3

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Release Notes

remix-run/react-router (react-router-dom)

v6.21.3

Compare Source

Patch Changes

• Fix NavLink isPending when a basename is used (#​11195)
• Remove leftover unstable_ prefix from Blocker/BlockerFunction types (#​11187)
• Updated dependencies:
  • react-router@6.21.3

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