Add emerge PR uploads #1165

Job	Run time
Build Package (13.2.1)	9m 23s
Build Package (13.4.1)	4m 6s
Build XCFramework	13m 42s
Build Package (14.2)	3m 52s
Build Package (14.3)	6m 55s
Build Example App	8m 45s
Test Carthage support	9m 11s
Lint CocoaPods podspec	5m 3s
Lint Embedded Libraries	30s
Emerge Upload	5m 2s
Test Swift Package Manager support	5m 5s
Lint Swift	1m 15s
Test Package	26m 22s
	1h 39m 11s

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