swift 2.29.2 release

meta:version: 2.29.2
meta:diff-start: -
meta:series: yoga
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Tim Burke <tim.burke@gmail.com>
meta:release:Commit: Tim Burke <tim.burke@gmail.com>
meta:release:Change-Id: I0b2549d4a07f09c3d18e65541327b2b74f47eec1
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta:release:Workflow+1: Hervé Beraud <herveberaud.pro@gmail.com>
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