ndg: upgrade to v0.4.0

this ndg release adds lightning tab implementation and on-chain balance
on the bitcoin tab.

see all release details at
https://git.qcode.ch/nakamochi/ndg/releases/tag/v0.4.0

ndg/env

@@ -1,6 +1,6 @@
-NDG_VERSION=v0.3.1
+NDG_VERSION=v0.4.0
-NDG_URL_AARCH64=https://git.qcode.ch/attachments/06208a1c-f17a-4ef7-bd56-959aeb5a765b
+NDG_URL_AARCH64=https://git.qcode.ch/attachments/86e4f4fa-37a9-4d14-8fb2-92f3c36dc965
-NDG_SHA256_AARCH64=40b7ae41150b1f614ee334c1233ca73fcfcdfe59adcc780687114c53c2bab48d
+NDG_SHA256_AARCH64=549268143caaa8bbdb6b2038fffe1baf92fce74bc2ff5a498f3fa3fd3b3292c7
 
 NDG_HOME=/home/uiuser
 NDG_BINDIR=$NDG_HOME/$NDG_VERSION