qa/admin/other-packages/manifest: add package for sasl md5-digest plugin
qa/admin/other-packages/manifest: add package for sasl md5-digest plugin

This may finally explains why some of the authentication QA tests
have been failing forever on some platforms.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp