Fix #10607: Show warnings for TLS 1.0 and TLS 1.1 (uplift to 1.14.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-browser failed on Win x64 due to GreaselionServiceTest.ScriptInjectionWithPrecondition failing as per https://ci.brave.com/job/pr-brave-browser-pr6574_legacy_tls_warnings_1.14.x-windows/1/execution/node/216/log/. However, the failure is a known intermittent error that doesn't block uplift.

16:16:48  [  FAILED  ] GreaselionServiceTest.ScriptInjectionWithPrecondition, where TypeParam =  and GetParam() =  (2913 ms)
16:16:48  
16:16:48  [605/605] GreaselionServiceTest.ScriptInjectionWithPrecondition (3113 ms)
16:16:48  1 test failed:
16:16:48      GreaselionServiceTest.ScriptInjectionWithPrecondition (../../brave/browser/greaselion/greaselion_browsertest.cc:265)

[kjozwiak]

Uplift into 1.14.x approved after deliberating with @brave/uplift-approvers. QA has verified the PR on Nightly as per #6574 (comment).