Trying to cache derived data for iOS again.

Author: Chriztiaan

.github/workflows/test-simulators.yaml

@@ -146,6 +146,15 @@ jobs:
             tools/powersynctests/ios/Pods/*
           key: ${{ runner.os }}-${{ hashFiles('tools/powersynctests/ios/Podfile.lock') }}
 
+      - name: Cache Xcode Derived Data
+        uses: actions/cache@v3
+        with:
+          path: |
+            tools/powersynctests/ios/build/*
+          key: xcode-derived-${{ runner.os }}-${{ hashFiles('tools/powersynctests/ios/Podfile.lock') }}
+          restore-keys: |
+            xcode-derived-${{ runner.os }}-
+
       - name: Setup NodeJS
         uses: actions/setup-node@v4
         with: