Fix XML formatting in secureboot-update.xml (#46074)

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## Summary by CodeRabbit

* **Documentation**
* Improved formatting of the Windows SecureBoot configuration profile
documentation by optimizing element representation for better
readability and consistency. No functional changes to configuration
values.

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docs/solutions/windows/configuration-profiles/secureboot-update.xml

@@ -4,8 +4,7 @@
       <Format xmlns="syncml:metinf">int</Format>
     </Meta>
     <Target>
-      <LocURI
-            >./Device/Vendor/MSFT/Policy/Config/SecureBoot/EnableSecurebootCertificateUpdates</LocURI>
+      <LocURI>./Device/Vendor/MSFT/Policy/Config/SecureBoot/EnableSecurebootCertificateUpdates</LocURI>
     </Target>
       <Data>22852</Data>
   </Item>