build(deps): bump RestAssured.Net in /src in the default group

Bumps the default group in /src with 1 update: [RestAssured.Net](https://github.com/basdijkstra/rest-assured-net).


Updates `RestAssured.Net` from 4.4.0 to 4.5.1
- [Changelog](https://github.com/basdijkstra/rest-assured-net/blob/main/CHANGELOG.md)
- [Commits](basdijkstra/rest-assured-net@rest-assured-net-4.4.0...rest-assured-net-4.5.1)

---
updated-dependencies:
- dependency-name: RestAssured.Net
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: default
...

Signed-off-by: dependabot[bot] <support@github.com>

tests/endtoend/EndToEnd.Tests.csproj

@@ -34,7 +34,7 @@
   <ItemGroup>
     <PackageReference Include="MimeKit" Version="4.8.0" />
     <PackageReference Include="ReportPortal.XUnit" Version="2.6.0" />
-    <PackageReference Include="RestAssured.Net" Version="4.4.0" />
+    <PackageReference Include="RestAssured.Net" Version="4.5.1" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.2.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="xunit" Version="2.9.2" />