Migrate to FFI 0.6.0 release

CHANGELOG.md

@@ -7,6 +7,7 @@ and this library adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 # Unreleased
 
 ## Changed
+- Migrated to `zcash-light-client-ffi 0.6.0`.
 
 ### [#1186] Enable ZIP 317 fees
 - The SDK now generates transactions using [ZIP 317](https://zips.z.cash/zip-0317) fees,

Example/ZcashLightClientSample/ZcashLightClientSample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -176,7 +176,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/zcash-hackworks/zcash-light-client-ffi",
       "state" : {
-        "revision" : "789d0c068fb32e2ab149cdd785f16e0ac88f3594"
+        "revision" : "7c801be1f445402a433b32835a50d832e8a50437",
+        "version" : "0.6.0"
       }
     }
   ],

Package.resolved

@@ -122,7 +122,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/zcash-hackworks/zcash-light-client-ffi",
       "state" : {
-        "revision" : "789d0c068fb32e2ab149cdd785f16e0ac88f3594"
+        "revision" : "7c801be1f445402a433b32835a50d832e8a50437",
+        "version" : "0.6.0"
       }
     }
   ],

Package.swift

@@ -16,8 +16,7 @@ let package = Package(
     dependencies: [
         .package(url: "https://github.com/grpc/grpc-swift.git", from: "1.19.1"),
         .package(url: "https://github.com/stephencelis/SQLite.swift.git", from: "0.14.1"),
-        // Compiled from revision `97e09ed3709ae9f26226587bec852a725bc783a4`.
-        .package(url: "https://github.com/zcash-hackworks/zcash-light-client-ffi", revision: "789d0c068fb32e2ab149cdd785f16e0ac88f3594")
+        .package(url: "https://github.com/zcash-hackworks/zcash-light-client-ffi", exact: "0.6.0")
     ],
     targets: [
         .target(