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ARROW-12143: [CI] R builds should timeout and fail after some threshold and dump the output.

This adds a one hour timeout to the R builds.  It changes the R CI test script to use `reporter="location"` by default.  It adds a dump test logs step to the end of the build that will always dump the test output regardless of success/failure.

These three changes combined will make it much easier to debug test failures in R tests.

Closes #9846 from westonpace/feature/arrow-12143

Lead-authored-by: Weston Pace <weston.pace@gmail.com>
Co-authored-by: Jonathan Keane <jkeane@gmail.com>
Signed-off-by: David Li <li.davidm96@gmail.com>