Fixed typos in logs-dedicated-clusters.md

[mgotko]

Made some typo/maintenance fixes to the docs as I was reading through them, thanks!

[learn-build-service-prod]

Learn Build status updates of commit 4e80b1a:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/azure-monitor/logs/logs-dedicated-clusters.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 302f149:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/azure-monitor/logs/logs-dedicated-clusters.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[mgotko]

@microsoft-github-policy-service agree

[prmerger-automator]

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

[v-dirichards]

@guywi-ms

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"
@MicrosoftDocs/public-repo-pr-review-team

[github-actions]

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[v-dirichards]

Nudging @guywi-ms