German translation improvements in cookie consent dialog

[saschaszott]

Description

This PR improves some German translations.

[github-actions]

Hi @saschaszott,
Conflicts have been detected against the base branch.
Please resolve these conflicts as soon as you can. Thanks!

[alanorth]

Thank you @saschaszott! This is a very simple change so merging ASAP and adding tags to port to all current releases.

[dspace-bot]

Successfully created backport PR for dspace-7_x:

• [Port dspace-7_x] German translation improvements in cookie consent dialog #4402

[dspace-bot]

Backport failed for dspace-8_x, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin dspace-8_x
git worktree add -d .worktree/backport-2774-to-dspace-8_x origin/dspace-8_x
cd .worktree/backport-2774-to-dspace-8_x
git switch --create backport-2774-to-dspace-8_x
git cherry-pick -x 027a5ec5f0cc39ed857da2297183507ad5c21bb6 f12fae3865c4f9053fa27bbce3df0e0c58f4f0cf 4ca1edfc633dba35c8043d2c124a2afe0ee96994

[dspace-bot]

Backport failed for dspace-9_x, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin dspace-9_x
git worktree add -d .worktree/backport-2774-to-dspace-9_x origin/dspace-9_x
cd .worktree/backport-2774-to-dspace-9_x
git switch --create backport-2774-to-dspace-9_x
git cherry-pick -x 027a5ec5f0cc39ed857da2297183507ad5c21bb6 f12fae3865c4f9053fa27bbce3df0e0c58f4f0cf 4ca1edfc633dba35c8043d2c124a2afe0ee96994

[alanorth]

Thanks @saschaszott. Automatic backports for dspace-8_x and dspace-9_x failed. Would you mind manually creating pull requests for those when you have time?

[marsaoua]

DSpace-8_x version backport pull-request: #4480

[marsaoua]

DSpace-9_x version backport pull-request: #4485