Use correct DEPLOY_KEY.

Author: HackingM

.github/workflows/release-package.yml

@@ -12,5 +12,5 @@ jobs:
     - uses: hacking-gentoo/action-ebuild-release@next
       with:
         auth_token: ${{ secrets.PR_TOKEN }}
-        deploy_key: ${{ secrets.GHA_DEPLOY_KEY }}
+        deploy_key: ${{ secrets.DEPLOY_KEY }}
         overlay_repo: MADhacking/overlay