Update generation-2.md

[alexxa]

This

1. Fixes the link, instead of wrong https://learn.microsoft.com/en-us/azure/virtual-machines/sizes/general-purpose/dv2-series?tabs=sizebasic it points to https://learn.microsoft.com/en-us/azure/virtual-machines/sizes/general-purpose/dsv2-series?tabs=sizebasic
2. DSv2 dedicated page says it's Gen1 only, meanwhile the table says it's both. I believe the first is right, but if it's actually Gen2 too, please correct the other page to mention Gen2 too.

[prmerger-automator]

@alexxa : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit 45a94e7:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
articles/virtual-machines/generation-2.md	⚠️Warning		Details

articles/virtual-machines/generation-2.md

• Line 32, Column 2: [Warning: file-not-found - See documentation] Invalid file link: 'dsv2-series.md'.

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[alexxa]

not sure, why it complains the link is supposed to point to https://github.com/MicrosoftDocs/azure-compute-docs/blob/main/articles/virtual-machines/sizes/general-purpose/dsv2-series.md?plain=1

[v-regandowner]

@AjKundnani - Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
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