Log Message:
editors/tp-note: update to 1.23.7

v1.23.7
Fix regression: viewer: render error page again

This regression was introduced with Tp-Note version 1.23.6, commit 37ef6ea
and fixed with commit bf19d70.

Minor change:
* Give '--force-lang' precedence over TPNOTE_LANG_DETECTION

v1.23.6
Maintenance release, no new features:
 - Refactor main 'tpnote-lib' API.