RFR: 2213: Record reviewers with stale reviews in the commit message

[Zhao Song]

As a user requested, when `ignoreStaleReview` is enabled in a repo, Skara bot should still record reviewers with stale reviews in the commit message.

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Commit messages:
 - SKARA-2213

Changes: https://git.openjdk.org/skara/pull/1626/files
  Webrev: https://webrevs.openjdk.org/?repo=skara&pr=1626&range=00
  Issue: https://bugs.openjdk.org/browse/SKARA-2213
  Stats: 37 lines in 5 files changed: 16 ins; 1 del; 20 mod
  Patch: https://git.openjdk.org/skara/pull/1626.diff
  Fetch: git fetch https://git.openjdk.org/skara.git pull/1626/head:pull/1626

PR: https://git.openjdk.org/skara/pull/1626