chore(l10n): update Slovak translations

Currently translated at 100.0% (50 of 50 strings)

Translation: Fossify/Clock
Translate-URL: https://hosted.weblate.org/projects/fossify/clock/sk/
Via: Weblate

Author: GaucovyAero

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

@@ -53,4 +53,5 @@
     <string name="alarm_timed_out">Budík vypršal</string>
     <string name="settings_import_data">Importovať budíky a časovače</string>
     <string name="settings_export_data">Exportovať budíky a časovače</string>
+    <string name="sort_by_timer_duration">Dĺžky trvania časovača</string>
 </resources>