minor #29742 update year in license files (xabbuh)
minor #29742 update year in license files (xabbuh)

This PR was merged into the 3.4 branch.

Discussion
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update year in license files

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Happy new year to each and everyone from the Symfony community. 🎉

Commits
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6c895b9757 update year in license files

symfony/framework-bundle