i18n: Update Polish Translation (#5494)

app/javascript/mastodon/locales/pl.json

@@ -159,11 +159,11 @@
   "privacy.public.short": "Publiczny",
   "privacy.unlisted.long": "Niewidoczny na publicznych osiach czasu",
   "privacy.unlisted.short": "Niewidoczny",
-  "relative_time.days": "{number}d",
-  "relative_time.hours": "{number}h",
-  "relative_time.just_now": "now",
-  "relative_time.minutes": "{number}m",
-  "relative_time.seconds": "{number}s",
+  "relative_time.days": "{number} dni",
+  "relative_time.hours": "{number} godz.",
+  "relative_time.just_now": "teraz",
+  "relative_time.minutes": "{number} min.",
+  "relative_time.seconds": "{number} s.",
   "reply_indicator.cancel": "Anuluj",
   "report.placeholder": "Dodatkowe komentarze",
   "report.submit": "Wyślij",