Update Spring version to a still supported version [DATAJDBC-70]

[spring-projects-issues]

Marten Deinum opened DATAJDBC-70 and commented

At the moment Spring Data JDBC still uses Spring 3.0. Would be nice if it would be build against a still supported version preferably on the 4.x range but at least the 3.2.x range.

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No further details from DATAJDBC-70

[spring-projects-issues]

Thomas Risberg commented

Moved issue to GitHub: spring-attic/spring-data-jdbc-ext#29