Update Archived Samples Links

[SharanGarcha-MSFT]

Replace older code snippets and links with references to Teams SDK code samples.

[learn-build-service-prod]

PoliCheck Scan Report

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[learn-build-service-prod]

Learn Build status updates of commit 42f197b:

✅ Validation status: passed

File	Status	Preview URL	Details
msteams-platform/agents-in-teams/build-agent-toolkit.md	✅Succeeded	View
msteams-platform/apps-in-teams-meetings/meeting-apps-apis.md	✅Succeeded	View
msteams-platform/bots/build-conversational-capability.md	✅Succeeded	View
msteams-platform/bots/build-notification-capability.md	✅Succeeded	View
msteams-platform/bots/how-to/authentication/bot-sso-code.md	✅Succeeded	View
msteams-platform/bots/how-to/bot-configuration-experience.md	✅Succeeded	View
msteams-platform/bots/how-to/bots-filesv4.md	✅Succeeded	View
msteams-platform/bots/how-to/conversations/bot-copilot-handoff.md	✅Succeeded	View
msteams-platform/bots/how-to/conversations/channel-messages-for-bots-and-agents.md	✅Succeeded	View
msteams-platform/bots/how-to/conversations/send-proactive-messages.md	✅Succeeded	View
msteams-platform/concepts/build-and-test/apps-localization.md	✅Succeeded	View
msteams-platform/concepts/device-capabilities/location-capability.md	✅Succeeded	View
msteams-platform/graph-api/proactive-bots-and-messages/send-personal-welcome-message.md	✅Succeeded	View
msteams-platform/includes/messaging-extensions/msgex-sso-code.md	✅Succeeded	View
msteams-platform/messaging-extensions/dev-guidelines-agents.md	✅Succeeded	View
msteams-platform/messaging-extensions/how-to/action-commands/create-task-module.md	✅Succeeded	View
msteams-platform/messaging-extensions/how-to/action-commands/define-action-command.md	✅Succeeded	View
msteams-platform/messaging-extensions/how-to/action-commands/respond-to-task-module-submit.md	✅Succeeded	View
msteams-platform/messaging-extensions/how-to/link-unfurling.md	✅Succeeded	View
msteams-platform/messaging-extensions/how-to/search-commands/define-search-command.md	✅Succeeded	View
msteams-platform/messaging-extensions/what-are-messaging-extensions.md	✅Succeeded	View
msteams-platform/resources/bot-v3/bot-conversations/bots-conv-proactive.md	✅Succeeded	View
msteams-platform/samples/virtual-assistant.md	✅Succeeded	View
msteams-platform/tabs/how-to/authentication/auth-flow-tab.md	✅Succeeded	View
msteams-platform/tabs/how-to/authentication/auth-tab-aad.md	✅Succeeded	View

This comment lists only the first 25 files in the pull request.
For more details, please refer to the build report.