Upgraded System.Net.Http and System.Text.RegularExpressions

[cyberzed]

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[Copilot]

Pull Request Overview

This PR upgrades the System.Net.Http and System.Text.RegularExpressions packages in the test project by adding direct references and updating the lock file to reflect new versions and dependencies.

• Added direct PackageReferences for System.Net.Http (4.3.4) and System.Text.RegularExpressions (4.3.1) in the test .csproj.
• Updated packages.lock.json with new direct entries and bumped transitive dependency versions for those packages.
• Removed outdated transitive entries for System.Net.Http and System.Text.RegularExpressions.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/Sleddog.Blink1.Tests/packages.lock.json	Added direct lock entries for Http and Regex, and bumped transitive dependency versions
src/Sleddog.Blink1.Tests/Sleddog.Blink1.Tests.csproj	Added <PackageReference> entries for System.Net.Http and System.Text.RegularExpressions

Comments suppressed due to low confidence (2)

src/Sleddog.Blink1.Tests/Sleddog.Blink1.Tests.csproj:12

• [nitpick] If the test code does not explicitly use Http APIs, consider removing this direct reference to keep dependencies minimal.

<PackageReference Include="System.Net.Http" Version="4.3.4" />

src/Sleddog.Blink1.Tests/Sleddog.Blink1.Tests.csproj:13

• [nitpick] If tests don’t use advanced Regex features, you may not need a direct reference here; relying on transitive dependencies could simplify the project.

<PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />