chore(workflows/release): replace token and registry

Author: Teakowa Gatanothor O'deorain

.github/workflows/release.yml

@@ -58,8 +58,8 @@ jobs:
       - uses: jerray/publish-docker-action@master
         with:
           username: ${{ secrets.GITHUB_USERNAME }}
-          password: ${{ secrets.GITHUB_PR_TOKEN }}
-          registry: docker.pkg.github.com
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: ghcr.io
           repository: fspnet/nginx/nginx
           cache: fspnet/nginx/nginx
           tags: latest