deps: Update dependency ApprovalTests to 5.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ApprovalTests	5.8.0 -> 5.9.0

---

Release Notes

approvals/ApprovalTests.Net (ApprovalTests)

v5.9.0

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

♻ Rebasing: Whenever PR becomes conflicted, 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 was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: src/MarkdownGenerator.Test.ApiApproval/packages.lock.json

[06:46:18.364] INFO (63): Installing tool dotnet@8.0.401...
[06:46:22.359] ERROR (63): Command failed with exit code 145: /opt/containerbase/tools/dotnet/dotnet new

The command could not be loaded, possibly because:
  * You intended to execute a .NET application:
      The application 'new' does not exist.
  * You intended to execute a .NET SDK command:
      A compatible .NET SDK was not found.

Requested SDK version: 7.0.201
global.json file: /tmp/renovate/repos/github/ap0llo/markdown-generator/global.json

Installed SDKs:

Install the [7.0.201] .NET SDK or update [/tmp/renovate/repos/github/ap0llo/markdown-generator/global.json] to match an installed SDK.

Learn about SDK resolution:
https://aka.ms/dotnet/sdk-not-found

8.0.401 [/opt/containerbase/tools/dotnet/sdk]
[06:46:22.360] FATAL (63): Install tool dotnet failed in 4s.

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.