Log Message:
(devel/R-repr) Updated 1.1.6 to 1.1.7

# repr 1.1.7

* See the [GitHub releases](https://github.com/IRkernel/repr/releases) page
    [#163] Improve tests (@zknitter)
    [#166] fix error in repr_text() on packed tibble (@Fan-iX)
    [#168] Update test to accomodate for upcoming htmltools release (@cpsievert)