[Update] Use document component

[shawnthompson]

Is your feature request related to a problem? Please describe.

Use the new download component (#677) on the following pages:

• src/pages/en/best-practices-for-accessible-virtual-events.md
• src/pages/en/information-and-communication-technology-ict-accessibility-requirements.md
• src/pages/en/microsoft-document-compliance-checklist.md
• src/pages/en/pdf-accessibility-checklist.md
• src/pages/en/technical-summary-of-the-en-301-549-v321-2021.md
• src/pages/en/what-we-heard-report-standard-on-information-and-communication-technology-accessibility-sicta.md
• src/pages/fr/bonnes-pratiques-pour-les-evenements-virtuels-accessibles.md
• src/pages/fr/exigences-en-matiere-de-technologies-de-linformation-et-des-communications-tic-accessibles.md
• src/pages/fr/liste-de-verification-de-la-conformite-des-documents-microsoft.md
• src/pages/fr/liste-de-verification-de-laccessibilite-des-documents-pdf.md
• src/pages/fr/rapport-sur-ce-que-nous-avons-entendu-norme-daccessibilite-des-technologies-de-linformation-et-des-communications-natic.md
• src/pages/fr/resume-technique-de-la-norme-en-301-549-v321-2021.md

Describe the solution you'd like

No response

Describe alternatives you've considered

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Who shall do the work?

• I will do it, I want to contribute
• I am asking for someone else to please do the work

Timeline

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Additional context

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