lnd: upgrade from v0.15.5 to v0.16.0

no breaking changes. release highlights:

- prioritize sending out local gossip updates to all connected peers
- potentially missed channel updates bugfix
- rebroadcast unconfirmed transactions with each passing block the transaction
hasn't been confirmed
- channel updates without the maxHTLC message flag set are recognized as
invalid and are not relayed
- new pathfinding algorithms; leaving nakamochi with the default for now
- watchtower improvements; we don't run a watchtower at the moment
- cli now recognizes base_fee_msat and fee_rate_ppm flags for openchannel command

read more at https://lightning.engineering/posts/2023-03-29-lnd-0.16-launch/
and https://github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.16.0.md

lnd/env

@@ -1,6 +1,6 @@
-LND_VERSION_DIR_AARCH64=lnd-linux-arm64-v0.15.5-beta
-LND_URL_AARCH64=https://github.com/lightningnetwork/lnd/releases/download/v0.15.5-beta/lnd-linux-arm64-v0.15.5-beta.tar.gz
-LND_SHA256_AARCH64=12c97e9924a136a1e730694789fb00830bd1be40e23c32db95f0336f15719618
+LND_VERSION_DIR_AARCH64=lnd-linux-arm64-v0.16.0-beta
+LND_URL_AARCH64=https://github.com/lightningnetwork/lnd/releases/download/v0.16.0-beta/lnd-linux-arm64-v0.16.0-beta.tar.gz
+LND_SHA256_AARCH64=63d6a37d77942735ef58a59208ca1bb4d6a5ddfe554c2664ec3f5020ffab2414
 
 LND_HOME=/home/lnd