Fixes #10180 - Update install instructions

[sdwheeler]

PR Summary

Update install instructions

• Fixes AB#117339
  • Fixes Raspberry pi Documentation references libssl1.0 but current version is 1.1 #10180
  • Fixes Raspberry pi documentation is only for arm32, arm64 pi is also an option #10181

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit 599f135:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/docs-conceptual/install/install-raspbian.md	✅Succeeded	View (>=powershell-5.1)

For more details, please refer to the build report.

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[PaulNacamuli]

Hey guys - caught a typo in the update:

The Raspberry Pi OS is available for Arm 64 procoessors. PowerShell has not been tested on Arm 64 for the Raspberry Pi OS.

[sdwheeler]

@PaulNacamuli Thanks! I am fixing it.