add xcode 26.1.1 (#9758)

Author: fritz-circleci

docs/guides/modules/ROOT/partials/execution-resources/xcode-silicon-vm.adoc

@@ -9,6 +9,14 @@
 | VM Software Manifest
 | Release Notes
 
+| `26.1.1`
+| Xcode 26.1.1 (17B100)
+| 15.6
+a| `m4pro.medium` +
+   `m4pro.large`
+| link:https://circle-macos-docs.s3.amazonaws.com/image-manifest/v15895/manifest.txt[Installed software]
+| link:https://circleci.com/changelog/xcode-26-1-1-available/[Release Notes]
+
 | `26.1.0`
 | Xcode 26.1 (17B55)
 | 15.6