repro: give plugins notification of HUP

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10910 ddefafc4-47db-0310-ae44-fa13212b10f2
repro: bump REPRO_DSO_PLUGIN_API_VERSION

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10911 ddefafc4-47db-0310-ae44-fa13212b10f2
repro: sync repro.config.ws

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10912 ddefafc4-47db-0310-ae44-fa13212b10f2
repro: dist repro.config.ws

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10913 ddefafc4-47db-0310-ae44-fa13212b10f2