Update SearchCore to alpha.16 (#212)

### Description

- Regular SDK updates

### Checklist
- [x] Update `CHANGELOG`

CHANGELOG.md

@@ -19,6 +19,7 @@ Guide: https://keepachangelog.com/en/1.0.0/
 - [Tests] Demonstrate providing a `Geometry(point: NSValue(mkCoordinate: CLLocationCoordinate2D))` with `TileRegionLoadOptions.build` function.
 - [Core] Increment minimum MapboxCommon version from 24.0.0 to 24.2.0.
 
+**MapboxCoreSearch**: v2.0.0-alpha.16
 **MapboxCommon**: v24.2.0
 
 ## 2.0.0-rc.3

Cartfile

@@ -1,2 +1,2 @@
-binary "https://api.mapbox.com/downloads/v2/carthage/search-core-sdk/MapboxCoreSearch.xcframework.json" == 2.0.0-alpha.14
-binary "https://api.mapbox.com/downloads/v2/carthage/mapbox-common/MapboxCommon.json" == 24.2.0
+binary "https://api.mapbox.com/downloads/v2/carthage/search-core-sdk/MapboxCoreSearch.xcframework.json" == 2.0.0-alpha.16
+binary "https://api.mapbox.com/downloads/v2/carthage/mapbox-common/MapboxCommon.json" == 24.2.0

Cartfile.resolved

@@ -1,2 +1,2 @@
 binary "https://api.mapbox.com/downloads/v2/carthage/mapbox-common/MapboxCommon.json" "24.2.0"
-binary "https://api.mapbox.com/downloads/v2/carthage/search-core-sdk/MapboxCoreSearch.xcframework.json" "2.0.0-alpha.14"
+binary "https://api.mapbox.com/downloads/v2/carthage/search-core-sdk/MapboxCoreSearch.xcframework.json" "2.0.0-alpha.16"

Package.swift

@@ -4,7 +4,7 @@
 import PackageDescription
 import Foundation
 
-let (coreSearchVersion, coreSearchVersionHash) = ("2.0.0-alpha.14", "c3e61341f2beb1b8043f3c71caccdd9bea12a23f221cb90eb452e2abe299c3e0")
+let (coreSearchVersion, coreSearchVersionHash) = ("2.0.0-alpha.16", "315d5f6ed1446f5ca5d62cc6e4124ae01fa271ad9d675268e886c38149db8532")
 
 let commonMinVersion = Version("24.2.0")
 let commonMaxVersion = Version("25.0.0")