Broken master due to `docs lint`

Job #736782751 failed for c07a5c31:

  (global):
    [ ERROR ] internal_anchors - Broken anchor detected!
      - source file `/tmp/gitlab-docs/public/ee/ci/examples/authenticating-with-hashicorp-vault/index.html`
      - destination `/tmp/gitlab-docs/public/ee/ci/secrets/index.html`
      - link `../../secrets/index.html#use-vault-secrets-in-a-ci-job-premium`
      - anchor `#use-vault-secrets-in-a-ci-job-premium`
    [ ERROR ] internal_anchors - Broken anchor detected!
      - source file `/tmp/gitlab-docs/public/ee/ci/secrets/index.html`
      - destination `/tmp/gitlab-docs/public/ee/ci/secrets/index.html`
      - link `#use-vault-secrets-in-a-ci-job-premium`
      - anchor `#use-vault-secrets-in-a-ci-job-premium`
    [ ERROR ] internal_anchors - Broken anchor detected!
      - source file `/tmp/gitlab-docs/public/ee/ci/secrets/index.html`
      - destination `/tmp/gitlab-docs/public/ee/ci/yaml/README.html`
      - link `../yaml/README.html#secretsvault-premium`
      - anchor `#secretsvault-premium`
    [ ERROR ] internal_anchors - 3 offenses found!