deps: upgrade libuv to 1.13.1
This upgrade includes the libuv 1.13.0 release, which came out yesterday. It had a small Windows issue, which is corrected in 1.13.1.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
deps