RFR: Add additional logging to the webrev availability verifier

[Robin Westberg]

Hi all,

Please review this minor change that logs the status of the webrev availability check regardless of the outcome, to aid future troubleshooting.

Best regards,
Robin

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Commits:
 - 498c7c57: Add additional logging

Changes: https://git.openjdk.java.net/skara/pull/356/files
 Webrev: https://webrevs.openjdk.java.net/skara/356/webrev.00
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/skara/pull/356.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/356/head:pull/356

PR: https://git.openjdk.java.net/skara/pull/356