fix: Add missing permissions for GitHub Actions in release workflow

Author: jsonify

.github/workflows/cicd.yml

@@ -645,6 +645,9 @@ jobs:
           # Generate both production and beta appcasts
           cat > generate_all_appcasts.swift << 'EOF'
           import Foundation
+          #if canImport(FoundationNetworking)
+          import FoundationNetworking
+          #endif
           
           struct GitHubRelease: Codable {
               let tagName: String
@@ -674,6 +677,15 @@ jobs:
               }
           }
           
+          func loadSignatures() -> [String: String] {
+              guard let data = try? Data(contentsOf: URL(fileURLWithPath: "dist/signatures.json")),
+                    let signatures = try? JSONSerialization.jsonObject(with: data) as? [String: String] else {
+                  print("⚠️  No signatures found")
+                  return [:]
+              }
+              return signatures
+          }
+          
           // Fetch releases from GitHub API
           let url = URL(string: "https://api.github.com/repos/${{ github.repository }}/releases")!
           let task = URLSession.shared.dataTask(with: url) { data, response, error in

.github/workflows/release.yml

@@ -11,6 +11,11 @@ on:
         required: true
         type: string
 
+# Required permissions for GitHub Actions
+permissions:
+  contents: write
+  packages: read
+
 env:
   APP_NAME: "ClickIt"
   BUNDLE_ID: "com.jsonify.clickit"