Before:<img width="254" alt="image" src="https://github.com/user-attachments/assets/1460ea58-c915-4c72-85c4-0655030cb99f" />After:<img width="260" alt="Screenshot 2025-05-29 at 4 41 05 pm" src="https://github.com/user-attachments/assets/34fe0293-ccc4-4686-9285-eb7482d7a10e" /> <img width="258" alt="Screenshot 2025-05-29 at 4 40 56 pm" src="https://github.com/user-attachments/assets/2bd640eb-5d11-4384-8a24-b705148c2b2a" />

Third PR for#47.Adds a script to update an existing `appcast.xml`.This will be called in CI to update the appcast before uploading it back to our feed URL (`releases.coder.com/...`). It's currently not used anywhere.Invoked like:```swift run update-appcast -i appcast.xml -s CoderDesktop.pkg.sig -v 0.5.1 -o appcast.xml -d ${{ github.event.release.body }}```To update an appcast that looks like:<details><summary>appcast.xml</summary>```xml<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" version="2.0">    <channel>        <title>Coder Desktop</title>        <item>            <title>v0.5.1</title>            <description><![CDATA[<h2>What's Changed</h2><ul><li>fix: don't create http client if signed out by@ethanndickson in <a href="https://github.com/coder/coder-deskt%E2%80%A6r-desktop-macos/pull/170">https://github.com/coder/coder-deskt…r-desktop-macos/pull/170</a></li></ul><p><strong>Full Changelog</strong>: <a href="https://github.com/coder/coder-desktop-macos/compare/v0.5.0...v0.5.1">https://github.com/coder/coder-desktop-macos/compare/v0.5.0...v0.5.1</a></p>]]></description>            <pubDate>Thu, 29 May 2025 06:08:56 +0000</pubDate>            <sparkle:channel>stable</sparkle:channel>            <sparkle:version>0.5.1</sparkle:version>            <sparkle:fullReleaseNotesLink>https://github.com/coder/coder-desktop-macos/releases</sparkle:fullReleaseNotesLink>            <sparkle:minimumSystemVersion>14.0.0</sparkle:minimumSystemVersion>            <enclosure url="https://github.com/coder/coder-desktop-macos/releases/download/v0.5.1/Coder-Desktop.pkg" type="application/octet-stream" sparkle:installationType="package" sparkle:edSignature="NkyCj7Lzpw95P0N95SQHiBCjDLZYVukbRR3aOjGZAuL5Dc+I//DfTCRFCxoQNhA38uu/CCAR8v9E4SgMkDdmAA==" length="39630183"></enclosure>        </item>        <item>            <title>Preview</title>            <pubDate>Thu, 29 May 2025 06:08:08 +0000</pubDate>            <sparkle:channel>preview</sparkle:channel>            <sparkle:version>0.5.0.3</sparkle:version>            <sparkle:fullReleaseNotesLink>https://github.com/coder/coder-desktop-macos/releases</sparkle:fullReleaseNotesLink>            <sparkle:minimumSystemVersion>14.0.0</sparkle:minimumSystemVersion>            <enclosure url="https://github.com/coder/coder-desktop-macos/releases/download/preview/Coder-Desktop.pkg" type="application/octet-stream" sparkle:installationType="package" sparkle:edSignature="L0cFeyoy+D/Zgm3eXok87SKmgIUka8m2b+g7UWPReF4UhFUb4RlDsZ5PxXKd5MrtsaODGUz2iRMWraO7aQg+DA==" length="39630898"></enclosure>        </item>    </channel></rss>```</details>Producing a notification like:<img width="620" alt="image" src="https://github.com/user-attachments/assets/acae89d6-5d39-4464-bf60-7beac66af9c7" />

It's twice as fast without the cacheWith cache:<img width="296" alt="image" src="https://github.com/user-attachments/assets/865bfbaf-774d-4213-ba99-b338dbef13dd" />Without:<img width="296" alt="image" src="https://github.com/user-attachments/assets/e55be0dd-bd4e-472f-af4c-c5d06f7ef7ad" />I can only assume it's just faster to compile some of the dependencies then to copy them from the cache

Fourth PR for#47.Dry-run worked!https://releases.coder.com/coder-desktop/mac/appcast.xml

Closes#47.Stable:<img width="615" alt="image" src="https://github.com/user-attachments/assets/e34c8138-dac7-48ab-af76-0feea79c9f7e" />Preview:<img width="614" alt="image" src="https://github.com/user-attachments/assets/caeb2750-b735-473d-8568-e8f1098954d0" />Additionally:- Removes the updating of the `coder-desktop-preview` cask. - Marks the `coder-desktop` cask as auto-updating, so brew doesn't attempt to `upgrade` itself.I'll also need to make a PR on the `homebrew-coder` repo to mark it as deprecated in brew. If a user wishes to be on the preview channel, they just need to install the stable version, and switch to the preview channel in settings.

For some reason this line needs to be in the same stanza as conflicts_on. This passes the homebrew CI.

…b-actions group (#178)Signed-off-by: dependabot[bot] <support@github.com>Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Just lets you see what changed in a preview build at a glance.

There's no point allowing users to enable unattended updates, as the installer requires a password prompt, as does the app the first time it's launched after updating -- it would be more annoying than useful.All this does is remove the checkbox on the update prompt:Before:<img width="1020" alt="image" src="https://github.com/user-attachments/assets/7bed4a05-cf6e-4de4-9f08-e5a05c4ceac5" />After:<img width="620" alt="image" src="https://github.com/user-attachments/assets/a1375eb2-0cd5-4e35-93d1-52275132fc1b" />Automatic update *checks* can still be enabled in settings.