chore(deps): update buildkite/plugin-tester docker tag to v4.3.0

[cultureamp-renovate]

Working with Renovate for Culture Amp

• Renovate Guide
• Renovate Troubleshooting
• Renovate How-tos

This PR contains the following updates:

Package	Update	Change
buildkite/plugin-tester (source)	minor	v4.2.0 -> v4.3.0

---

Configuration

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

🚦 Automerge: Enabled.

♻ 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 has been generated by Renovate Bot.

[github-snyk-ca]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

[github-actions]

Package	Line Rate	Health
github.com/cultureamp/example-go-buildkite-plugin/buildkite	0%	❌
github.com/cultureamp/example-go-buildkite-plugin	0%	❌
github.com/cultureamp/example-go-buildkite-plugin/plugin	68%	➖
Summary	15% (13 / 87)	❌

[github-actions]

Package	Line Rate	Health
github.com/cultureamp/example-go-buildkite-plugin/buildkite	0%	❌
github.com/cultureamp/example-go-buildkite-plugin	0%	❌
github.com/cultureamp/example-go-buildkite-plugin/plugin	68%	➖
Summary	15% (13 / 87)	❌