chore(l10n): update Danish translations

Currently translated at 100.0% (10 of 10 strings)

Translation: Fossify/Flashlight
Translate-URL: https://hosted.weblate.org/projects/fossify/flashlight/da/
Via: Weblate

Author: lianergoist

app/src/main/res/values-da/strings.xml

@@ -9,4 +9,5 @@
     <string name="show_stroboscope">Vis en stroboskop-knap</string>
     <string name="show_sos">Vis en SOS-knap</string>
     <string name="turn_flashlight_on">Slå lommelygte til ved start</string>
-</resources>
+    <string name="stroboscope">Stroboscop</string>
+</resources>