[Github] Update github action to sign apk

.github/workflows/build-native.yml

@@ -280,19 +280,14 @@ jobs:
     runs-on: ubuntu-22.04
 
     env:
+      DEBUG: n
       TARGET: ANDROIDFAT
-      TARGET_BIN: XCSoar-debug
-      TARGET_FINAL: XCSoar-debug
+      TARGET_BIN: XCSoar-release
+      TARGET_FINAL: XCSoar-release
       TARGET_EXT: apk
       NDK: r26d
 
     steps:
-      - name: set vars for push
-        if: github.event_name == 'push'
-        run: |
-          echo "DEBUG=n" >> $GITHUB_ENV
-          echo "TARGET_FINAL=XCSoar" >> $GITHUB_ENV
-
       - id: checkout
         uses: actions/checkout@v4
         with:
@@ -362,6 +357,30 @@ jobs:
           name: ${{ env.TARGET_FINAL }}-${{ env.git_hash }}.${{ env.TARGET_EXT }}
           path: output/ANDROID/bin/${{ env.TARGET_BIN }}.${{ env.TARGET_EXT }}
 
+      - name: Get Build tools version
+        shell: bash
+        run: |
+            BUILD_TOOLS_VERSION=$(ls /usr/local/lib/android/sdk/build-tools/ | tail -n 1)
+            echo "BUILD_TOOLS_VERSION=$BUILD_TOOLS_VERSION" >> $GITHUB_ENV
+            echo Last build tools version is: $BUILD_TOOLS_VERSION
+
+      - uses: r0adkll/[email protected]
+        name: Sign app APK
+        id: sign_app
+        with:
+          releaseDirectory: output/ANDROID/bin
+          signingKeyBase64: ${{ secrets.XCSOAR_JET_UPLOAD_KEY_JKS_BASE64 }}
+          alias: ${{ secrets.ALIAS }}
+          keyStorePassword: ${{ secrets.XCSOAR_JET_UPLOAD_KEY_JKS_PASSWORD }}
+        env:
+          BUILD_TOOLS_VERSION: ${{ env.BUILD_TOOLS_VERSION }}
+
+      - name: upload artifact - signed
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.TARGET_FINAL }}-${{ env.git_hash }}-signed.${{ env.TARGET_EXT }}
+          path: ${{steps.sign_app.outputs.signedReleaseFile}}
+
       - name: Deploy to Staging server
         if: |
           github.repository == 'XCSoar/XCSoar' &&
@@ -541,8 +560,7 @@ jobs:
             c-ares \
             curl \
             lua \
-            netcdf-cxx \
-            libgeotiff
+            netcdf-cxx
 
       - name: Compile XCSoar
         # We use "-O0" instead of the default "-Og" to work around a