[jdk24u] RFR: 8347427: JTabbedPane/8134116/Bug8134116.java has no license header

Fri Jan 24 20:30:24 UTC 2025

Add the missing GPL header to `test/jdk/javax/swing/JTabbedPane/8134116/Bug8134116.java`.

> This pull request contains a backport of commit [f67b7036](https://github.com/openjdk/jdk/commit/f67b703625afa2e049c572978d29ac00d8c956d3) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
>
> The commit being backported was authored by Alexey Ivanov on 13 Jan 2025 and was reviewed by Dmitry Markov, Harshitha Onkar and Abhishek Kumar.

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Commit messages:
 - Backport f67b703625afa2e049c572978d29ac00d8c956d3

Changes: https://git.openjdk.org/jdk24u/pull/33/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk24u&pr=33&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347427
  Stats: 33 lines in 1 file changed: 30 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk24u/pull/33.diff
  Fetch: git fetch https://git.openjdk.org/jdk24u.git pull/33/head:pull/33

PR: https://git.openjdk.org/jdk24u/pull/33