RFR: 2310: Add missing commas in copyright years [v2]

[Pavel Rappo]

> Please review this utmost trivial change.

Pavel Rappo has updated the pull request incrementally with one additional commit since the last revision:

  Add an empty commit start GHA

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Changes:
  - all: https://git.openjdk.org/skara/pull/1664/files
  - new: https://git.openjdk.org/skara/pull/1664/files/9589fd9b..a4fa656e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=skara&pr=1664&range=01
 - incr: https://webrevs.openjdk.org/?repo=skara&pr=1664&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/skara/pull/1664.diff
  Fetch: git fetch https://git.openjdk.org/skara.git pull/1664/head:pull/1664

PR: https://git.openjdk.org/skara/pull/1664