Update buildkite plugin shellcheck to v1.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
shellcheck	minor	v1.1.2 -> v1.2.0

---

Release Notes

buildkite-plugins/shellcheck-buildkite-plugin

### [`v1.2.0`](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/releases/v1.2.0) [Compare Source](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/compare/v1.1.2...v1.2.0) #### Added/Removed/Fixed/Changed - Update buildkite plugin docker-compose to v3.0.3 ([#​27](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/27)) [@​renovate](https://togithub.com/renovate) - Update buildkite plugin docker-compose to v3.0.2 ([#​26](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/26)) [@​renovate](https://togithub.com/renovate) - Update buildkite plugin docker-compose to v3.0.1 ([#​25](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/25)) [@​renovate](https://togithub.com/renovate) - Update buildkite plugin docker-compose to v3 ([#​24](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/24)) [@​renovate](https://togithub.com/renovate) - Update buildkite/plugin-tester:latest Docker digest to [`235385e`](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/commit/235385e) ([#​22](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/22)) [@​renovate](https://togithub.com/renovate) - Update buildkite/plugin-tester:latest Docker digest to [`ee0d1ad`](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/commit/ee0d1ad) ([#​18](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/18)) [@​renovate](https://togithub.com/renovate) - Update buildkite plugin docker-compose to v2 ([#​20](https://togithub.com/buildkite-plugins/shellcheck-buildkite-plugin/issues/20)) [@​renovate](https://togithub.com/renovate) #### Upgrading To upgrade, update your `pipeline.yml` files: ```diff steps: - command: test.sh plugins: - shellcheck#v1.1.2: + shellcheck#v1.2.0: files: scripts/*.sh ```

---

Configuration

📅 Schedule: 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, click this checkbox.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.