Closes: spring-projectsgh-18434
Signed-off-by: Pavel Vassiliev <paulvas@gmail.com>

Signed-off-by: paulvas <paulvas@gmail.com>

To prevent future compiler warnings from being introduced, this change
applies the `compile-warnings-error` plugin to the
`spring-security-oauth2-core` module.

This ensures that any new warnings will fail the build, maintaining
code quality and preventing warning accumulation.

Fixes: spring-projectsgh-18434
Signed-off-by: Pavel Vassiliev <paulvas@gmail.com>
Signed-off-by: paulvas <paulvas@gmail.com>