What problem does this code solve?

• Update GitHub actions to v5
• Add test run using Java 25 long term support (LTS)

Does the code still compile with Java6?
Yes

Risks
Low

Changes to the API?
No

Will this require a new release?
No

Should the documentation be updated?
This PR includes a version update to the readme

Does it break the unit tests?
N/A

Was any code refactored in this commit?
No

Review status
APPROVED

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