tools: Switch to download.zulip.com from www.zulip.org.

(cherry picked from commit 7d7d727865)

docs/production/install.md

@@ -15,17 +15,17 @@ you can create a test organization at <https://zulip.com/new>.
 ## Step 1: Download the latest release
 
 Download and unpack [the latest built server
-tarball](https://www.zulip.org/dist/releases/zulip-server-latest.tar.gz)
+tarball](https://download.zulip.com/server/zulip-server-latest.tar.gz)
 with the following commands:
 
 ```bash
 cd $(mktemp -d)
-wget https://www.zulip.org/dist/releases/zulip-server-latest.tar.gz
+wget https://download.zulip.com/server/zulip-server-latest.tar.gz
 tar -xf zulip-server-latest.tar.gz
 ```
 
 - If you'd like to verify the download, we
-  [publish the sha256sums of our release tarballs](https://www.zulip.org/dist/releases/SHA256SUMS.txt).
+  [publish the sha256sums of our release tarballs](https://download.zulip.com/server/SHA256SUMS.txt).
 - You can also
   [install a pre-release version of Zulip](../production/deployment.html#installing-zulip-from-git)
   using code from our [repository on GitHub](https://github.com/zulip/zulip/).

docs/production/upgrade-or-modify.md

@@ -24,11 +24,11 @@ to a new Zulip release:
    for all releases newer than what is currently installed.
 
 1. Download the appropriate release tarball from
-   <https://www.zulip.org/dist/releases/> You can download the latest
+   <https://download.zulip.com/server/> You can download the latest
    release with:
 
    ```bash
-   wget https://www.zulip.org/dist/releases/zulip-server-latest.tar.gz
+   wget https://download.zulip.com/server/zulip-server-latest.tar.gz
    ```
 
    You also have the option of upgrading Zulip [to a version in a Git

docs/subsystems/release-checklist.md

@@ -64,7 +64,7 @@ preparing a new release.
 
   **Note:** This will trigger the [GitHub action](https://github.com/zulip/zulip/blob/main/tools/oneclickapps/README.md)
   for updating DigitalOcean one-click app image. The action uses the latest release
-  tarball published on `zulip.org` for creating the image.
+  tarball published on `download.zulip.com` for creating the image.
 
 - Update the [Docker image](https://github.com/zulip/docker-zulip) and
   do a release of that.

tools/oneclickapps/README.md

@@ -5,7 +5,7 @@ This directory contains scripts for automating the release of Zulip one click ap
 ## DigitalOcean 1-Click Application
 
 `prepare_digital_ocean_one_click_app_release.py` creates the image of DigitalOcean 1-Click
-app from the latest Zulip release (fetched from https://www.zulip.org/dist/releases). It will
+app from the latest Zulip release (fetched from https://download.zulip.com/server/). It will
 also create a test droplet from the image and send the image and droplet
 details to a pre-configured Zulip stream. Anyone, whose key is added to the
 Zulip DigitalOcean team can SSH into the droplet for testing.