ci: install ktlint before running ktlintCheck

.github/workflows/android.yml

@@ -27,6 +27,12 @@ jobs:
       - name: Grant Execute Permission for Gradlew
         run: chmod +x gradlew
 
+      - name: Install ktlint
+        run: |
+          curl -sSLO https://github.com/pinterest/ktlint/releases/download/1.2.1/ktlint
+          chmod +x ktlint
+          sudo mv ktlint /usr/local/bin/
+
       - name: Run Code Style Check (ktlint)
         run: ./gradlew ktlintCheck