Update Symantec DLP supported version to 16.0

[karashah1]

Update Symantec DLP supported version from 15.8 to 16.0

[learn-build-service-prod]

Learn Build status updates of commit 087ddc2:

❌ Validation status: errors

Please follow instructions here which may help to resolve issue.

File	Status	Preview URL	Details
	❌Error		Details

• [Error: CannotMergeCommit] Cannot merge commit 087ddc2365176389e467d6d280bd8404ceafb974 in branch karan-patch-1 of repository https://github.com/karashah1/microsoft-365-docs into branch public (commit ee52599e31a7081f7548d33a5b671b8f4370f2e2). Please follow this documentation: https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/ to use git.exe to resolve you content conflicts locally and then push to remote.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

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