Core - Update CefErrorCode (126.0.6478.115)

[campersau]

Summary: Updated CefErrorCode using https://raw.githubusercontent.com/chromium/chromium/126.0.6478.115/net/base/net_error_list.h and steps described in #3785

How Has This Been Tested?
Build works.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Updated documentation

Checklist:

• Tested the code(if applicable)
• Commented my code
• Changed the documentation(if applicable)
• New files have a license disclaimer
• The formatting is consistent with the project (project supports .editorconfig)

[AppVeyorBot]

✅ Build CefSharp 126.2.70-CI5023 completed (commit 7f4dc2f8ab by @campersau)

[AppVeyorBot]

❌ Build CefSharp 126.2.70-CI5026 failed (commit b2dfb37296 by @campersau)

[AppVeyorBot]

❌ Build CefSharp 126.2.70-CI5027 failed (commit 0eaef279fc by @campersau)

[amaitland]

@campersau Thanks. Any further changes before merge?

Test failure is unrelated, it's been a problem for a while now.

[campersau]

No, just tried to get a successful CI run.