Remove references to actions/partner-runner-images and reword arm64 docs (#61223)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: lkfortuna <56982181+lkfortuna@users.noreply.github.com>

Author: Copilot

content/actions/concepts/runners/github-hosted-runners.md

@@ -54,7 +54,7 @@ Using {% data variables.product.prodname_dotcom %}-hosted runners requires netwo
 
 ## Runner images
 
-{% data variables.product.github %} maintains our own set of VM images for our standard hosted runners. This includes the images for macOS, x64 linux and Windows images. The list of images and their included tools are managed in the [`actions/runner-images`](https://github.com/actions/runner-images) repository. Our arm64 images are partner images, and those are managed in the [`actions/partner-runner-images`](https://github.com/actions/partner-runner-images) repository.
+{% data variables.product.github %} maintains our own set of VM images for our standard hosted runners. The list of images and their included tools are managed in the [`actions/runner-images`](https://github.com/actions/runner-images) repository.
 
 ### Preinstalled software for GitHub-owned images
 

content/actions/reference/runners/larger-runners.md

@@ -54,13 +54,12 @@ You can choose from several specifications for {% data variables.actions.hosted_
 
 {% data variables.actions.hosted_runner_caps %}s run on virtual machines (VMs), and {% data variables.product.prodname_dotcom %} installs a virtual hard disk (VHD) on this machine during the VM creation process. You can choose from different VM images to install on your runners.
 
-**{% data variables.product.prodname_dotcom %}-owned images:** These images are maintained by {% data variables.product.prodname_dotcom %} and are available for Linux x64, Windows x64, and macOS (x64 and arm) runners. For more information on these images and a full list of included tools for each runner operating system, see the [{% data variables.product.prodname_actions %} Runner Images](https://github.com/actions/runner-images) repository.
+**{% data variables.product.prodname_dotcom %}-owned images:** These images are maintained by {% data variables.product.prodname_dotcom %} and are available for Linux (x64 and arm64), Windows (x64 and arm64), and macOS (x64 and arm64) runners. For more information on these images and a full list of included tools for each runner operating system, see the [{% data variables.product.prodname_actions %} Runner Images](https://github.com/actions/runner-images) repository.
 
 **Partner Images:** Partner images are not managed by {% data variables.product.prodname_dotcom %} and are pulled from the Azure Marketplace. See below for resources on where to find more information and to report issues for partner images.
  * [Base Windows 11 desktop image](https://azuremarketplace.microsoft.com/en-us/marketplace/apps/microsoftwindowsdesktop.windows-11?tab=Overview).
  * [NVIDIA GPU-Optimized VMI](https://azuremarketplace.microsoft.com/en-us/marketplace/apps/nvidia.ngc_azure_17_11)
  * [Data Science Virtual Machine - Windows 2019](https://azuremarketplace.microsoft.com/en-us/marketplace/apps/microsoft-dsvm.dsvm-win-2019?tab=overview).
- * arm64 images: [`actions/partner-runner-images` repository](https://github.com/actions/partner-runner-images).
 
 ## Available macOS {% data variables.actions.hosted_runners %} and labels
 

content/actions/reference/security/secure-use.md

@@ -239,9 +239,7 @@ For more information on how to enable {% data variables.product.prodname_code_sc
 
 For {% data variables.product.prodname_dotcom %}-hosted runners created from images maintained by {% data variables.product.company_short %}, you can view a software bill of materials (SBOM) to see what software was pre-installed on the runner. You can provide your users with the SBOM which they can run through a vulnerability scanner to validate if there are any vulnerabilities in the product. If you are building artifacts, you can include this SBOM in your bill of materials for a comprehensive list of everything that went into creating your software.
 
-SBOMs are available for Ubuntu, Windows, and macOS runner images maintained by {% data variables.product.company_short %}. You can locate the SBOM for your build in the release assets at https://github.com/actions/runner-images/releases. An SBOM with a filename in the format of `sbom.IMAGE-NAME.json.zip` can be found in the attachments of each release.
-
-For third-party images, such as the images for ARM-powered runners, you can find details of the software that's included in the image in the [`actions/partner-runner-images` repository](https://github.com/actions/partner-runner-images).
+SBOMs are available for Ubuntu, Windows, and macOS runner images maintained by {% data variables.product.company_short %}, including ARM-powered runners. You can locate the SBOM for your build in the release assets at https://github.com/actions/runner-images/releases. An SBOM with a filename in the format of `sbom.IMAGE-NAME.json.zip` can be found in the attachments of each release.
 
 {% endif %}
 

data/reusables/actions/supported-github-runners.md

@@ -58,7 +58,7 @@ For public repositories, jobs using the workflow labels shown in the table below
       <td>14 GB</td>
       <td>arm64</td>
       <td>
-        <code><a href="https://github.com/actions/partner-runner-images/blob/main/images/arm-windows-11-image.md">windows-11-arm</a></code>
+        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows11-Arm64-Readme.md">windows-11-arm</a></code>
       </td>
     </tr>
     <tr>
@@ -148,7 +148,7 @@ For {% ifversion ghec %}internal and{% endif %} private repositories, jobs using
       <td>14 GB</td>
       <td> arm64 </td>
       <td>
-        <code><a href="https://github.com/actions/partner-runner-images/blob/main/images/arm-windows-11-image.md">windows-11-arm</a></code>
+        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows11-Arm64-Readme.md">windows-11-arm</a></code>
       </td>
     </tr>
     <tr>