Bump REVISION to Munki7dev HEAD for test build

Author: gregneagle

.github/workflows/build_swift_munki.yml

@@ -4,7 +4,7 @@ env:
   APP_SIGNING_IDENTITY: "Developer ID Application: Mac Admins Open Source (T4SK8ZXCXG)"
   INSTALLER_SIGNING_IDENTITY: "Developer ID Installer: Mac Admins Open Source (T4SK8ZXCXG)"
   NOTARY_APP_PASSWORD: ${{ secrets.NOTARY_APP_PASSWORD_MAOS }}
-  REVISION: 61809bf452dfda7b999c0555ee496a81fd83e5e3 #  -- (Munki7dev) hardcoded for now
+  REVISION: 7c4a87670e5c3090c56d4229b737275f4f520d48 #  -- (Munki7dev) hardcoded for now
   XCODE_PATH: "/Applications/Xcode_26.0.app"
 
 on: [workflow_dispatch]