chore(ci): Swap traditional file generator for logrotate_fs for file_to_blackhole test

[jszwedko]

Summary

The current config fails since limits started being applied to the lading container. We think this is a good time to update to the preferred generator anyway.

Change Type

• Bug fix
• New feature
• Non-functional (chore, refactoring, docs)
• Performance

Is this a breaking change?

• Yes
• No

How did you test this PR?

Will use CI.

Does this PR include user facing changes?

• Yes. Please add a changelog fragment based on our guidelines.
• No. A maintainer will apply the "no-changelog" label to this PR.

Checklist

• Please read our Vector contributor resources.
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    • cargo clippy --workspace --all-targets -- -D warnings
    • cargo nextest run --workspace (alternatively, you can run cargo test --all)
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References

[datadog-vectordotdev]

Datadog Report

Branch report: jszwedko/switch-lading-generator-file-to-blackhole
Commit report: e35cc24
Test service: vector

✅ 0 Failed, 7 Passed, 0 Skipped, 25.52s Total Time