chore: bump up RevenueCat/purchases-ios-spm version to from: "5.76.0" (#15077)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[RevenueCat/purchases-ios-spm](https://redirect.github.com/RevenueCat/purchases-ios-spm)
| minor | `from: "5.75.0"` → `from: "5.76.0"` |

---

### Release Notes

<details>
<summary>RevenueCat/purchases-ios-spm
(RevenueCat/purchases-ios-spm)</summary>

###
[`v5.76.0`](https://redirect.github.com/RevenueCat/purchases-ios-spm/compare/5.75.0...5.76.0)

[Compare
Source](https://redirect.github.com/RevenueCat/purchases-ios-spm/compare/5.75.0...5.76.0)

</details>

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packages/frontend/apps/ios/App/App.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -77,8 +77,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/RevenueCat/purchases-ios-spm.git",
       "state" : {
-        "revision" : "3bbaa4a88d74c863ee5bc4295b2fc628323eff0d",
-        "version" : "5.75.0"
+        "revision" : "92e2804a6b84b3b7ce60bfe7e9ff63dc9524ef5b",
+        "version" : "5.76.0"
       }
     },
     {

packages/frontend/apps/ios/App/Packages/AffinePaywall/Package.swift

@@ -17,7 +17,7 @@ let package = Package(
   ],
   dependencies: [
     .package(path: "../AffineResources"),
-    .package(url: "https://github.com/RevenueCat/purchases-ios-spm.git", from: "5.75.0"),
+    .package(url: "https://github.com/RevenueCat/purchases-ios-spm.git", from: "5.76.0"),
   ],
   targets: [
     .target(