fix: change post_publish upload target to S3 (#3745)

Author: crowlKats

.github/workflows/post_publish.yml

@@ -13,20 +13,12 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v6
 
-      - name: Authenticate with Google Cloud
-        uses: google-github-actions/auth@v3
-        with:
-          project_id: denoland
-          credentials_json: ${{ secrets.GCP_SA_KEY }}
-          export_environment_variables: true
-          create_credentials_file: true
-
-      - name: Setup gcloud
-        uses: google-github-actions/setup-gcloud@v3
-        with:
-          project_id: denoland
-
       - name: Upload version file to dl.deno.land
+        env:
+          AWS_ACCESS_KEY_ID: ${{ vars.S3_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_SECRET_ACCESS_KEY }}
+          AWS_ENDPOINT_URL_S3: ${{ vars.S3_ENDPOINT }}
+          AWS_DEFAULT_REGION: ${{ vars.S3_REGION }}
         run: |
           cat packages/fresh/deno.json | jq -r ".version" > release-latest.txt
-          gsutil -h "Cache-Control: no-cache" cp release-latest.txt gs://dl.deno.land/fresh/release-latest.txt
+          aws s3 cp release-latest.txt s3://dl-deno-land/fresh/release-latest.txt --cache-control "no-cache"