[deps]: Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
AutoFixture	nuget	pin	4.18.1 -> [4.18.1]
FluentAssertions (source)	nuget	pin	7.0.0 -> [7.0.0]
GitHubActionsTestLogger	nuget	pin	2.4.1 -> [2.4.1]
Microsoft.AspNetCore.Identity.EntityFrameworkCore (source)	nuget	pin	8.0.11 -> [8.0.11]
Microsoft.AspNetCore.Mvc.Testing (source)	nuget	pin	8.0.11 -> [8.0.11]
Microsoft.EntityFrameworkCore.Sqlite (source)	nuget	pin	8.0.11 -> [8.0.11]
Microsoft.Extensions.Configuration (source)	nuget	pin	8.0.0 -> [8.0.0]
Microsoft.Extensions.Configuration.Abstractions (source)	nuget	pin	8.0.0 -> [8.0.0]
Microsoft.Extensions.DependencyInjection (source)	nuget	pin	8.0.1 -> [8.0.1]
Microsoft.Extensions.Http (source)	nuget	pin	8.0.1 -> [8.0.1]
Microsoft.Extensions.Options (source)	nuget	pin	8.0.2 -> [8.0.2]
Microsoft.Extensions.Options.ConfigurationExtensions (source)	nuget	pin	8.0.0 -> [8.0.0]
Microsoft.NET.Test.Sdk	nuget	pin	17.12.0 -> [17.12.0]
Microsoft.SourceLink.GitHub	nuget	pin	8.0.0 -> [8.0.0]
Moq	nuget	pin	4.20.72 -> [4.20.72]
System.Memory	nuget	pin	4.6.0 -> [4.6.0]
System.Net.Http.Json (source)	nuget	pin	8.0.1 -> [8.0.1]
System.Text.Json (source)	nuget	pin	8.0.5 -> [8.0.5]
Testcontainers (source)	nuget	pin	4.1.0 -> [4.1.0]
coverlet.collector	nuget	pin	6.0.2 -> [6.0.2]
xunit	nuget	pin	2.9.2 -> [2.9.2]
xunit.runner.visualstudio	nuget	pin	3.0.0 -> [3.0.0]

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

---

Configuration

📅 Schedule: Branch creation - "every 2nd week starting on the 2 week of the year before 4am on Monday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

This PR was generated by Mend Renovate. View the repository job log.