RFR: 7904068: Update to use JUnit 5.13

[Christian Stein]

On Wed, 27 Aug 2025 14:40:08 GMT, Christian Stein <cstein at openjdk.org> wrote:

> Please review this change updating to use JUnit 5.13.4

> Want to see the build fail due to a checksum error.

So it did:


[build.sh][INFO] Downloading https://repo1.maven.org/maven2/org/junit/platform/junit-platform-console-standalone/1.13.4/junit-platform-console-standalone-1.13.4.jar to /home/runner/work/apidiff/apidiff/build/deps/junit/junit-platform-console-standalone-1.13.4.jar
Error: sh][ERROR] Checksum mismatch for /home/runner/work/apidiff/apidiff/build/deps/junit/junit-platform-console-standalone-1.13.4.jar:
Error: sh][ERROR] Expected: bb856bc86a6e6cd48080546afcaf7a210713ea21
Error: sh][ERROR] Actual  : 62734191af1bfc78ee17181ca38b94dbb5eb7737
Error: Process completed with exit code 1.

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PR Comment: https://git.openjdk.org/apidiff/pull/30#issuecomment-3228553207