Merge pull request #2702 from nvmkuruc/sdfcopyoptional
authorpixar-oss <pixar-oss@users.noreply.github.com>
Fri, 15 Dec 2023 00:35:20 +0000 (16:35 -0800)
committerpixar-oss <pixar-oss@users.noreply.github.com>
Fri, 15 Dec 2023 19:20:26 +0000 (11:20 -0800)
Replace `boost::optional` with `std::optional` for `SdfCopySpec`

(Internal change: 2308993)


Trivial merge