License year range updated
minor #668 License year range updated (peterkokot)

This PR was merged into the 2.3 branch.

Discussion
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License year range updated

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | none

Commits
-------

c123286 License year range updated
Merge branch '2.3' into 2.4

* 2.3:
  License year range updated
Merge branch '2.4' into 2.5

* 2.4:
  License year range updated
Merge branch '2.5'

* 2.5:
  License year range updated