Refactor: remove Docker container and grant gradlew execute permission in Android workflow

The Docker container previously used for setting up the environment in the Android GitHub Actions workflow has been removed.

Additionally, the workflow now explicitly grants execute permission to the `gradlew` script before executing it.

Author: eby-dev

.github/workflows/android.yml

@@ -19,8 +19,7 @@ jobs:
   setup:
     name: Setup Environment
     runs-on: ubuntu-latest
-#    container:
-#      image: softartdev/android-fastlane:33
+
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v3
@@ -73,6 +72,8 @@ jobs:
     needs: setup
     steps:
       - uses: actions/checkout@v3
+      - name: Grant execute permission for gradlew
+        run: chmod +x ./gradlew
       - uses: actions/setup-java@v3
         with:
           java-version: '17'