v6.1.1

Upgrade priority: Low. Minor maintenance changes from the 6.0.x versions.

Contributed:

• Adjust bridges OutboundLaneData type (Thanks to https://github.com/HackFisher)
• Fix README 404 (Thanks to https://github.com/nblogist)

Changes:

• Add childstate_getStorageEntries RPC
• Allow for scale-info v0 -> v1 conversion