ndg: patch update to v0.3.1

the patch release improves on v0.3.0 in that it makes the UI update
immediately with most recent data on wakeup.

released at
https://git.qcode.ch/nakamochi/ndg/releases/tag/v0.3.1

ndg/env

@@ -1,6 +1,6 @@
-NDG_VERSION=v0.3.0
-NDG_URL_AARCH64=https://git.qcode.ch/attachments/4a37dddd-b1b2-41b3-a7d6-81b46c31d48d
-NDG_SHA256_AARCH64=157a527635b6069ad8c405e90842ead1e8e3ba3c6133c8b0966bd6488825208f
+NDG_VERSION=v0.3.1
+NDG_URL_AARCH64=https://git.qcode.ch/attachments/06208a1c-f17a-4ef7-bd56-959aeb5a765b
+NDG_SHA256_AARCH64=40b7ae41150b1f614ee334c1233ca73fcfcdfe59adcc780687114c53c2bab48d
 
 NDG_HOME=/home/uiuser
 NDG_BINDIR=$NDG_HOME/$NDG_VERSION