make sure AndroidManifest.xml exists before running nuget

.github/workflows/release.yml

@@ -83,13 +83,13 @@ jobs:
       run: |
         dotnet workload update        
 
-    - name: Install NuGet dependencies
-      run: make nuget Flavor=${{ matrix.flavor }}
-
     - name: Select the manifest
       run: |
         make manifestlink Flavor=${{ matrix.flavor }}
 
+    - name: Install NuGet dependencies
+      run: make nuget Flavor=${{ matrix.flavor }}
+
     - name: Build APK (net)
       env:
         KeyStore: "${{ github.workspace }}/kp2a.keystore"