RFR: Add bridgekeeper bot to bot cli image

[Robin Westberg]

Hi all,

Please review this minor change that adds the bridgekeeper to the bot cli image.

Best regard,
Robin

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Commits:
 - 0d1acaf7: Add bridgekeeper bot to bot cli image

Changes: https://git.openjdk.java.net/skara/pull/251/files
 Webrev: https://webrevs.openjdk.java.net/skara/251/webrev.00
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/251.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/251/head:pull/251

PR: https://git.openjdk.java.net/skara/pull/251