[stable-20.0.3] [l10n] Change apostrophe

[backportbot[bot]]

Backport of PR #4458

[github-actions[bot]]

Codacy

Lint

Type	master	PR
Warnings	94	152
Errors	132	89

SpotBugs

Category	Base	New
Bad practice	6	6
Correctness	16	16
Dodgy code	74	74
Internationalization	3	3
Malicious code vulnerability	3	3
Performance	5	5
Security	1	1
Total	108	108

Lint increased!

[github-actions[bot]]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/4459-talk.apk



To test this change/fix you can simply download above APK file and install and test it in parallel to your existing Nextcloud Talk app.