FINERACT-2734: Upgrade to JDK 25 LTS

[IOhacker]

Description

FINERACT-2734: Upgrade to JDK 25 LTS

Checklist

Please make sure these boxes are checked before submitting your pull request - thanks!

• Write the commit message as per our guidelines
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• Add required Swagger annotation and update API documentation at fineract-provider/src/main/resources/static/legacy-docs/apiLive.htm with details of any API changes
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[Aman-Mittal]

LGTM for me @meonkeys @adamsaghy @vidakovic

FYI.

Changes are minimal compared to dependency bump. and also discussed in dev list.