QueryDSL support introduced mandatory dependency on querydsl

[bclozel]

#1288 introduced querydsl and added the querydsl-apt dependency as a transitive dependency in the compile scope.

This was discussed in a review comment by @mp911de but it looks like this was not applied.

Currently this is blocking both spring-projects/spring-boot#30634 and spring-projects/spring-boot#30610

[mikereiche]

Looking...