[jdk21u] RFR: 8313792: Verify 4th party information in src/jdk.internal.le/share/legal/jline.md

[Jan Lahoda]

Hi all,

This pull request contains a backport of commit [87a6acbe](https://github.com/openjdk/jdk/commit/87a6acbeee1673526bfc5f8692e0949cb113e841) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Jan Lahoda on 8 Aug 2023 and was reviewed by Vicente Romero.

Thanks!

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Commit messages:
 - Backport 87a6acbeee1673526bfc5f8692e0949cb113e841

Changes: https://git.openjdk.org/jdk21u/pull/149/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=149&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313792
  Stats: 253 lines in 1 file changed: 0 ins; 253 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u/pull/149.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/149/head:pull/149

PR: https://git.openjdk.org/jdk21u/pull/149