chore: Update translations from Crowdin (#10686)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/i18n/locale/cs/signup.json

@@ -20,7 +20,7 @@
     },
     "EMAIL": {
       "LABEL": "Pracovní e-mail",
-      "PLACEHOLDER": "Zadejte svou pracovní e-mailovou adresu. např.: jan{'@'}novak.spolecnost",
+      "PLACEHOLDER": "Enter your work email address. E.g., bruce{'@'}wayne{'.'}enterprises",
       "ERROR": "Please enter a valid work email address"
     },
     "PASSWORD": {
@@ -41,4 +41,4 @@
     "SUBMIT": "Create account",
     "HAVE_AN_ACCOUNT": "Máte již účet?"
   }
-}
+}