Update security-hardening-for-github-actions.md to include macOS SBOM…

… (#35858)

content/actions/security-guides/security-hardening-for-github-actions.md

@@ -293,7 +293,7 @@ This list describes the recommended approaches for accessing repository data wit
 
 You can view a software bill of materials (SBOM) to see what software was pre-installed on the {% data variables.product.prodname_dotcom %}-hosted runner image used during your workflow runs. 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 Windows and Ubuntu runner images. 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.
+SBOMs are available for Ubuntu, Windows, and macOS runner images. 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 %}