fix(ble): Use the term "pairing" in the UI

User study: https://twitter.com/schne1der_/status/1310698476108476418

changed milestone to %v1.16

Looks good to me! Thanks for keeping our codebase clean.

However, I'm only a bot - so a human will still have to approve this request.

merged

mentioned in commit 6b91b1a7