Update PnP PowerShell connection instructions to use interactive login with Client ID

[nirav-raval]

Category

• Content fix
• New article

What's in this Pull Request?

• Updated PnP PowerShell connection instructions across the documentation to use interactive login (-Interactive) and Client ID (-ClientId), replacing the deprecated -UseWebLogin method.
• Ensured that all references to login methods aligned with the latest authentication practices, including the use of a registered Azure AD (Entra ID) application.

[learn-build-service-prod]

Learn Build status updates of commit 6a304e1:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
docs/declarative-customization/site-theming/sharepoint-site-theming-overview.md	⚠️Warning	View	Details
docs/general-development/site-collection-app-catalog.md	✅Succeeded	View

docs/declarative-customization/site-theming/sharepoint-site-theming-overview.md

• Line 83, Column 162: [Warning: disallowed-html-tag - See documentation] HTML tag 'your-client-id' isn't allowed. Replace it with approved Markdown or escape the brackets if the content is a placeholder.

For more details, please refer to the build report.

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[nirav-raval]

@microsoft-github-policy-service agree

[learn-build-service-prod]

Learn Build status updates of commit 1692974:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/declarative-customization/site-theming/sharepoint-site-theming-overview.md	✅Succeeded	View
docs/general-development/site-collection-app-catalog.md	✅Succeeded	View

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 6910a48:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/declarative-customization/site-theming/sharepoint-site-theming-overview.md	✅Succeeded	View
docs/general-development/site-collection-app-catalog.md	✅Succeeded	View

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 5cd6260:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/declarative-customization/site-theming/sharepoint-site-theming-overview.md	✅Succeeded	View
docs/general-development/site-collection-app-catalog.md	✅Succeeded	View

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