Fix Req :follow_redirects deprecation warning

[paytonward6]

Fixes the below deprecation warnings from Req:

warning: :follow_redirects option has been renamed to :redirect
  (req 0.5.7) lib/req/steps.ex:1794: Req.Steps.redirect/1
  (req 0.5.7) lib/req/request.ex:1120: anonymous fn/2 in Req.Request.run_response/2
  (elixir 1.17.3) lib/enum.ex:4858: Enumerable.List.reduce/3
  (elixir 1.17.3) lib/enum.ex:2585: Enum.reduce_while/3
  (req 0.5.7) lib/req/request.ex:1047: Req.Request.run/1
  (ex_aws 2.5.7) lib/ex_aws/request/req.ex:24: ExAws.Request.Req.request/5

:follow_redirects has been deprecated since v0.4.0 per https://hexdocs.pm/req/changelog.html#v0-4-0-2023-09-01