Fix: Correct KEYSTORE_FILE path in GitHub Actions workflow

The KEYSTORE_FILE path in the local.properties file was missing the GitHub workspace prefix. This commit adds `github.workspace` to ensure the correct path is used during the Android build process.

Author: eby-dev

.github/workflows/android.yml

@@ -110,7 +110,7 @@ jobs:
       - name: Write local.properties
         run: |
           echo "sdk.dir=$ANDROID_HOME" > local.properties
-          echo "KEYSTORE_FILE=${{ env.KEYSTORE_FILE }}" >> local.properties
+          echo "KEYSTORE_FILE=${{ github.workspace }}/${{ env.KEYSTORE_FILE }}" >> local.properties
           echo "KEYSTORE_PASSWORD=${{ env.KEYSTORE_PASSWORD }}" >> local.properties
           echo "KEY_ALIAS=${{ env.KEY_ALIAS }}" >> local.properties
           echo "KEY_PASSWORD=${{ env.KEY_PASSWORD }}" >> local.properties