Add caching Swift Packages

Author: NovaDev404

.github/workflows/build-unsigned-ipa.yml

@@ -98,11 +98,24 @@ jobs:
           echo "project.pbxproj header (first 60 lines):"
           sed -n '1,60p' prostore.xcodeproj/project.pbxproj || true
 
+      - name: Cache Swift Packages
+        uses: actions/cache@v3
+        id: swift-packages
+        with:
+          path: ~/Library/Developer/Xcode/DerivedData/ProStore/SourcePackages
+          key: swift-packages-${{ runner.os }}-${{ hashFiles('project.yml') }}
+          restore-keys: |
+            swift-packages-${{ runner.os }}-
+
       - name: Resolve Swift Packages
         run: |
           set -e
-          echo "Resolving Swift package dependencies for prostore..."
-          xcodebuild -resolvePackageDependencies -project prostore.xcodeproj -scheme prostore -configuration Release
+          echo "Resolving Swift package dependencies for prostore (cached)..."
+          xcodebuild -resolvePackageDependencies \
+            -project prostore.xcodeproj \
+            -scheme prostore \
+            -configuration Release \
+            -skip-current
 
       - name: Build IPA
         id: cache_object_version