[Tails-l10n] (review)[de] 2.10 release notes

Hi,
I translated the release notes for 2.10.
Please review:

https://gitlab.com/spriver/tails.git
branch: de_tails_210
HEAD commit: d8e840a Initial translation

Affected files:
wiki/src/news/version_2.10.de.po
wiki/src/security/Numerous_security_holes_in_2.9.1.de.po


Cheers!
spriver