Add early chirp and launch dates

Author: hypha

src/content/pages/faq.mdx

@@ -17,7 +17,7 @@ subtitle: Frequently Asked Questions about EuroPython
   <li>**5 February 2025:** Proposal Review process starts</li>
   <li>**6 February 2025:** [Community Voting](/programme/voting/) starts</li>
   <li>**17 February 2025:** Community Voting and Review ends</li>
-  <li>**undefined 2025:** [Sponsorship](/sponsor) Sign-up Starts </li>
+  <li>**10 March 2025:** [Sponsorship](/sponsor) Sign-up Starts</li>
 </ul>
 
 <ul className="milestone-todo">
@@ -102,6 +102,6 @@ A. Absolutely! We will provide a dedicated Visa Information Page with instructio
 A. Sponsorship sign-up is now open. Some packages may be limited, so don't wait and sign up soon!
 See our [sponsorship page](/sponsor) for details on 2025 packages and add-ons.
 
-**Sign up by undefined to receive a 10% Early Bird discount.**
+**Sign up by 28 March to receive a 10% Early Bird discount.**
 
 Our goal is to make EuroPython sponsorship accessible to a wide range of organisations eager to support the community. If you're interested in sponsoring EuroPython 2025 or future editions, please get in touch with our sponsors team at sponsors@europython.eu.

src/content/pages/sponsorship/sponsor.mdx

@@ -35,7 +35,7 @@ Explore the benefits of sponsoring EuroPython:
 #### Ready to Become a EuroPython 2025 Sponsor?
 <div class="text-center">
 
-<ButtonLink url="https://forms.gle/T8da5sQbKn6BFsxH7">Sign Up by undefined & Get 10% Early Bird Discount!</ButtonLink>
+<ButtonLink url="https://forms.gle/T8da5sQbKn6BFsxH7">Sign Up by 28 March & Get 10% Early Bird Discount!</ButtonLink>
 
 </div>
 
@@ -91,7 +91,7 @@ See the full list in the [PDF](https://drive.google.com/file/d/1AGvH0w3fMLRvaNDa
 
 ### Early Bird
 
-**10% discount** applies to launch sponsors who sign up by **undefined, 2025**.
+**10% discount** applies to launch sponsors who sign up by **28 March, 2025**.
 Contact us at **sponsors@europython.eu**.
 
 ### SME