Merge pull request #69 from buildkite-plugins/renovate/shellcheck-1.x

chore(deps): update buildkite plugin shellcheck to v1.2.0

Author: pzeballos

.buildkite/pipeline.yml

@@ -11,5 +11,5 @@ steps:
 
   - label: ":shell: Shellcheck"
     plugins:
-      shellcheck#v1.1.2:
+      shellcheck#v1.2.0:
         files: hooks/**