chore(deps): update dependency iterable/swift-sdk to from: "6.6.3" (#1915)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [Iterable/swift-sdk](https://redirect.github.com/Iterable/swift-sdk) |
patch | `from: "6.6.2"` -> `from: "6.6.3"` |

---

### Release Notes

<details>
<summary>Iterable/swift-sdk (Iterable/swift-sdk)</summary>

###
[`v6.6.3`](https://redirect.github.com/Iterable/swift-sdk/blob/HEAD/CHANGELOG.md#663)

[Compare
Source](https://redirect.github.com/Iterable/swift-sdk/compare/6.6.2...6.6.3)

- Fixed an issue with In-App Messages where JWT Tokens were not being
refreshed after tokens got invalidated.

</details>

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Author: 3 people

examples/resources_example/swift/Package.resolved

@@ -10,7 +10,7 @@ let package = Package(
         .package(path: "../third_party/implicit_resource_localization"),
         .package(path: "../third_party/package_with_resources"),
         .package(path: "../third_party/package_with_resources_swift_6"),
-        .package(url: "https://github.com/Iterable/swift-sdk", from: "6.6.2"),
+        .package(url: "https://github.com/Iterable/swift-sdk", from: "6.6.3"),
         .package(url: "https://github.com/SDWebImage/SDWebImageSwiftUI.git", from: "3.1.4"),
         .package(url: "https://github.com/google/GoogleSignIn-iOS", from: "9.0.0"),
         .package(