gnucash-docs maint: L12N:it, pt update: Vanguard is part of AlphaVantage

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/2d0157da (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/2eae6f37 (commit)



commit 2d0157dad8c87739ddafee882fdb3fe5bb01be52
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Wed Jun 10 00:03:31 2020 +0200

    L12N:it, pt update: Vanguard is part of AlphaVantage
    
    This changed already, when yahoo shut csv interface



Summary of changes:
 help/it/gnucash-help.xml       | 2 +-
 help/pt/Help_tips-appendix.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)