feat(react): Add reactRouterV6BrowserTracingIntegration for react router v6 & v6.4
          #10491
        
          
      
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feat(react): Add browserTracingIntegrations for router v4 & v5
This adds a new
reactRouterV6BrowserTracingIntegration()exports deprecating the old routing instrumentation.I opted to leave as much as possible as-is for now, except for streamlining the attributes/tags we use for the instrumentation.
I also updated the E2E tests to the new format.