ci: Dynamically set build tools version

Relates r0adkll/sign-android-release#84

Author: kumy

.github/workflows/android.yml

@@ -60,6 +60,13 @@ jobs:
           ref: ${{ inputs.ref || github.ref }}
           fetch-depth: 0
 
+      - name: Setup build tool version variable
+        shell: bash
+        run: |
+          BUILD_TOOL_VERSION=$(ls /usr/local/lib/android/sdk/build-tools/ | tail -n 1)
+          echo "BUILD_TOOL_VERSION=$BUILD_TOOL_VERSION" >> $GITHUB_ENV
+          echo Last build tool version is: $BUILD_TOOL_VERSION
+
       - name: Download APK from build
         uses: actions/download-artifact@v3
         with:
@@ -81,7 +88,7 @@ jobs:
           keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
           keyPassword: ${{ secrets.KEY_PASSWORD }}
         env:
-          BUILD_TOOLS_VERSION: "32.0.0"
+          BUILD_TOOLS_VERSION: ${{ env.BUILD_TOOL_VERSION }}
 
       - name: 'Get Previous tag'
         id: previoustag