Fix Setup of NDK in workflow

Author: alexanderwiederin

.github/workflows/kotlin.yml

@@ -20,10 +20,12 @@ jobs:
           distribution: temurin
           java-version: 11
 
-      - name: Set up NDK
-        uses: nttld/setup-ndk@v1
+      - name: Set up Android NDK
+        uses: ReactiveCircus/android-emulator-runner@v2
         with:
-          ndk-version: r25c
+          api-level: 31
+          target: google_apis
+          arch: x86_64
 
       - name: Run ktlintCheck on ldk-node-jvm
         run: |
@@ -41,7 +43,6 @@ jobs:
       - name: Generate Kotlin Android
         run: ./scripts/uniffi_bindgen_generate_kotlin_android.sh
 
-
       - name: Start bitcoind and electrs
         run: docker compose up -d