SAK-23179 update purepoms parent to 2.8.7

git-svn-id: https://source.sakaiproject.org/svn/profile/branches/profile-2.8.x@119053 66ffb92e-73f9-0310-93c1-f5514f145a0a
[maven-release-plugin] prepare release profile-2.8.5

git-svn-id: https://source.sakaiproject.org/svn/profile/branches/profile-2.8.x@119054 66ffb92e-73f9-0310-93c1-f5514f145a0a
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://source.sakaiproject.org/svn/profile/branches/profile-2.8.x@119056 66ffb92e-73f9-0310-93c1-f5514f145a0a