Bump ActiveFedora dependency to 11.5.2
Bump ActiveFedora dependency to 11.5.2

We need this release to fix a major bug in the nested works feature. See
samvera/active_fedora#1286 and #2108.

Fixes #2108.

samvera/hyrax,samvera/hyrax,samvera/hyrax,samvera/hyrax