fix: 워크플로우 YAML 중복 키 오류 수정

Author: HI-JIN2

.github/workflows/test-deploy.yml

@@ -58,7 +58,6 @@ jobs:
           POSTHOG_HOST: ${{ secrets.POSTHOG_HOST }}
           GOOGLE_SERVICE: ${{ secrets.GOOGLE_SERVICE }}
           GOOGLE_PLAY_SERVICE_ACCOUNT_JSON: ${{ secrets.GOOGLE_PLAY_SERVICE_ACCOUNT_JSON }}
-          GOOGLE_PLAY_SERVICE_ACCOUNT_JSON: ${{ secrets.GOOGLE_PLAY_SERVICE_ACCOUNT_JSON }}
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
           KEYSTORE_PATH: ${{ github.workspace }}/keystore.jks
           KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}