Update buildkite plugin elastic/hermit to v1.0.2 (#15)

Co-authored-by: elastic-renovate-prod[bot] <174716857+elastic-renovate-prod[bot]@users.noreply.github.com>

Author: elastic-renovate-prod[bot]

.buildkite/pipeline.yml

@@ -4,7 +4,7 @@ steps:
   - label: "Pre-commit"
     command: "hooks/post-checkout"
     plugins:
-      - elastic/hermit#v1.0.1
+      - elastic/hermit#v1.0.2
     agents:
       image: "docker.elastic.co/ci-agent-images/ubuntu-build-essential:latest@sha256:923bde2b5cced21dc9694119a5bd142789ba77146a0f813212c4cebd96971151"
   - label: ":sparkles: Buildkite plugin Lint"