[ci skip] Update README

README.md

 # zynthbox-plugin-bolliedelay
 
-Build latest bolliedelay from source repository https://github.com/MrBollie/bolliedelay.lv2
+Build latest bolliedelay from source https://github.com/zynthbox/zynthbox-dependencies/releases/download/RC-5/bolliedelay-0.2.6.tar.gz