fix(ci): clean SPM caches and DerivedData on CI runner to remove stale PostHog resolution

.gitea/workflows/pr-iphone-deploy.yml

@@ -39,6 +39,8 @@ jobs:
         run: |
           rm -rf ~/.cache/act/*/hostexecutor/tabatago-swift/build
           rm -rf .build
+          rm -rf ~/Library/Caches/org.swift.swiftpm
+          rm -rf ~/Library/Developer/Xcode/DerivedData/TabataGo-*
 
       - name: Install tools (xcodegen, node, firebase)
         run: |