Updated the manual docs of desktop (#24689)

## Description
Updated the manual install docs of desktop, build docs of
multi-platform, and cache docs.

## Related issues or tickets
#24687
#24688
#24638
#24637

<!-- Related issues, pull requests, or Jira tickets -->

## Reviews

<!-- Notes for reviewers here -->
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- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

Author: saivenkateshi

content/manuals/build/ci/github-actions/cache.md

@@ -123,7 +123,7 @@ jobs:
 
 > [!IMPORTANT]
 >
-> Starting [April 15th, 2025, only GitHub Cache service API v2 will be supported](https://gh.io/gha-cache-sunset).
+> As of April 15th, 2025, [only GitHub Cache service API v2 is supported.](https://gh.io/gha-cache-sunset). The legacy v1 API has been shut down.
 >
 > If you encounter the following error during your build:
 >

content/manuals/build/ci/github-actions/multi-platform.md

@@ -47,10 +47,7 @@ jobs:
 
 ## Build and load multi-platform images
 
-The default Docker setup for GitHub Actions runners does not support loading
-multi-platform images to the local image store of the runner after building
-them. To load a multi-platform image, you need to enable the containerd image
-store option for the Docker Engine.
+The default Docker setup for GitHub Actions runners supports building and pushing multi-platform images to registries. However, it does not support loading multi-platform images to the local image store of the runner after building them. To load a multi-platform image locally, you need to enable the containerd image store option for the Docker Engine.
 
 There is no way to configure the default Docker setup in the GitHub Actions
 runners directly, but you can use `docker/setup-docker-action` to customize the

content/manuals/desktop/setup/install/linux/_index.md

@@ -129,7 +129,7 @@ and architectures:
 
 An experimental package is available for [Arch](archlinux.md)-based distributions. Docker has not tested or verified the installation.
 
-Docker supports Docker Desktop on the current LTS release of the aforementioned distributions and the most recent version. As new versions are made available, Docker stops supporting the oldest version and supports the newest version.
+Docker supports Docker Desktop on the current and previous LTS releases of the aforementioned distributions, as well as the most recent version.
 
 ## General system requirements
 

content/manuals/desktop/setup/install/linux/debian.md

@@ -60,7 +60,7 @@ Recommended approach to install Docker Desktop on Debian:
 
    By default, Docker Desktop is installed at `/opt/docker-desktop`.
 
-The RPM package includes a post-install script that completes additional setup steps automatically.
+The DEB package includes a post-install script that completes additional setup steps automatically.
 
 The post-install script: