Fix #10607: Show warnings for TLS 1.0 and TLS 1.1 (uplift to 1.15.x)

[brave-builds]

Uplift of #6574
Resolves brave/brave-browser#10607

Approved, please ensure that before merging:

• You have checked CI and the builds, lint, and tests all pass or are not related to your PR.
• You have tested your change on Nightly.
• The PR milestones match the branch they are landing to.

After you merge:

• The associated issue milestone is set to the smallest version that the changes is landed on.

[kjozwiak]

test-install failed on Win x64 as per https://ci.brave.com/job/pr-brave-browser-pr6574_legacy_tls_warnings_1.15.x-windows/1/execution/node/241/log/. However, this is a known intermittent issue and doesn't block uplift.

16:28:00  powershell.exe : Start-Process : This command cannot be run due to the error: The system cannot find the file specified.
16:28:00  At C:\15.x@tmp\durable-007ccdf3\powershellWrapper.ps1:3 char:1
16:28:00  + & powershell -NoProfile -NonInteractive -ExecutionPolicy Bypass -Comm ...
16:28:00  + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
16:28:00      + CategoryInfo          : NotSpecified: (Start-Process :...file specified.:String) [], RemoteException
16:28:00      + FullyQualifiedErrorId : NativeCommandError
16:28:00   
16:28:00  At C:\15.x@tmp\durable-007ccdf3\powershellScript.ps1:10 char:17
16:28:00  + ...             Start-Process "C:\Users\Administrator\AppData\Local\Brave ...
16:28:00  +                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
16:28:00      + CategoryInfo          : InvalidOperation: (:) [Start-Process], InvalidOperationException
16:28:00  
16:28:00      + FullyQualifiedErrorId : InvalidOperationException,Microsoft.PowerShell.Commands.StartProcessCommand

[kjozwiak]

Uplift into 1.15.x approved after deliberating with @brave/uplift-approvers. QA has verified the PR on Nightly as per #6574 (comment).