fix(l10n): translated using Weblate (Czech)

Currently translated at 100.0% (121 of 121 strings)

Translation: ubuntu-desktop-translations/Ubuntu Flutter Plugins
Translate-URL: https://hosted.weblate.org/projects/ubuntu-desktop-translations/ubuntu-flutter-plugins/cs/

Author: p-bo

packages/ubuntu_localizations/lib/src/l10n/ubuntu_cs.arb

@@ -2,7 +2,7 @@
   "@@locale": "cs",
   "countryCode": "CZ",
   "@countryCode": {},
-  "languageName": "Čeština",
+  "languageName": "čeština",
   "@languageName": {},
   "weakPassword": "Prolomitelné heslo",
   "@weakPassword": {},
@@ -114,7 +114,7 @@
   "@informationLabel": {},
   "italicLabel": "Kurzíva",
   "@italicLabel": {},
-  "landscapeLabel": "Na šířku",
+  "landscapeLabel": "Landscape",
   "@landscapeLabel": {},
   "openLabel": "Otevřít",
   "@openLabel": {},
@@ -140,7 +140,7 @@
   "@noneLabel": {},
   "normalLabel": "Normální",
   "@normalLabel": {},
-  "okLabel": "Budiž",
+  "okLabel": "OK",
   "@okLabel": {},
   "pauseLabel": "Pozastavit",
   "@pauseLabel": {},