Update dependency Microsoft.SourceLink.GitHub to 10.0.300

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Microsoft.SourceLink.GitHub	nuget	patch	10.0.203 → 10.0.300

---

Release Notes

dotnet/dotnet (Microsoft.SourceLink.GitHub)

v10.0.300: .NET 10.0.8 / 10.0.300

You can build .NET 10.0 from the repository by cloning the release tag v10.0.300 and following the build instructions in the main README.md.

Alternatively, you can build from the sources attached to this release directly.
More information on this process can be found in the dotnet/dotnet repository.

Attached are PGP signatures for the GitHub generated tarball and zipball. You can find the public key at https://dot.net/release-key-2023

v10.0.204: .NET 10.0.8 / 10.0.204

You can build .NET 10.0 from the repository by cloning the release tag v10.0.204 and following the build instructions in the main README.md.

Alternatively, you can build from the sources attached to this release directly.
More information on this process can be found in the dotnet/dotnet repository.

Attached are PGP signatures for the GitHub generated tarball and zipball. You can find the public key at https://dot.net/release-key-2023

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate.