Update .NET SDK to 8.0.300 (#385)

* Update .NET SDK

Update .NET SDK to version 8.0.300.

---
updated-dependencies:
- dependency-name: Microsoft.NET.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: jet-codeflow-maintainer[bot] <131594757+jet-codeflow-maintainer[bot]@users.noreply.github.com>

* Bump Microsoft.AspNetCore.Mvc.Testing from 8.0.4 to 8.0.5

Bumps Microsoft.AspNetCore.Mvc.Testing from 8.0.4 to 8.0.5.

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Mvc.Testing
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: jet-codeflow-maintainer[bot] <131594757+jet-codeflow-maintainer[bot]@users.noreply.github.com>

---------

Signed-off-by: jet-codeflow-maintainer[bot] <131594757+jet-codeflow-maintainer[bot]@users.noreply.github.com>
Co-authored-by: jet-codeflow-maintainer[bot] <131594757+jet-codeflow-maintainer[bot]@users.noreply.github.com>

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.204",
+    "version": "8.0.300",
     "allowPrerelease": false
   }
 }

tests/ApplePayJS.Tests/ApplePayJS.Tests.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.3.3" />
     <PackageReference Include="JustEat.HttpClientInterception" Version="4.3.0" />
     <PackageReference Include="MartinCostello.Logging.XUnit" Version="0.3.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.4" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Microsoft.Playwright" Version="1.43.0" />
     <PackageReference Include="Shouldly" Version="4.2.1" />