Fix SDK Compiling

Also improved the SDK compiling to let you compile any SDK version!

.github/workflows/buildapp.yml

@@ -6,6 +6,11 @@ name: Build and Release YTMusicUltimate IPA
 on:
   workflow_dispatch:
     inputs:
+      sdk_version:
+        description: "iOS SDK version to be used during build"
+        default: "16.2"
+        required: true
+        type: string
       ytmusicultimate_version:
         description: "The version of YTMusicUltimate"
         default: "2.0.1"
@@ -75,10 +80,13 @@ jobs:
           path: theos/sdks/
           key: ${{ env.cache-name }}
 
-      - name: Download iOS 16.2 SDK
+      - name: Download iOS SDK
         if: steps.SDK.outputs.cache-hit != 'true'
         run: |
-          svn checkout -q https://github.com/arichorn/sdks/trunk/iPhoneOS16.2.sdk
+          git clone --quiet -n --depth=1 --filter=tree:0 https://github.com/arichorn/sdks/
+          cd sdks
+          git sparse-checkout set --no-cone iPhoneOS${{ inputs.sdk_version }}.sdk
+          git checkout
           mv *.sdk $THEOS/sdks
         env:
           THEOS: ${{ github.workspace }}/theos