Update _config.yml for spring 2025

_config.yml

@@ -1,16 +1,16 @@
 theme: jekyll-theme-tactile
 google_analytics: UA-114571919-1
 future: true
-current-contribution-url: "https://github.com/modelica/newsletter/tree/main/_2024-03"
+current-contribution-url: "https://github.com/modelica/newsletter/tree/main/_2025-01"
 defaults:
   - scope:
       path: ""
     values:
       image: /assets/images/Modelica_Association.png
     author: modelica 
 contribution-open: true
-contribution-deadline: November 15, 2024
-current-newsletter-date: July 15, 2024
+contribution-deadline: March 14, 2025
+current-newsletter-date: November 18, 2024
 baseurl: /
 url: "https://newsletter.modelica.org"
 collections:
@@ -101,4 +101,8 @@ collections:
   2024-03:
     permalink: /:collection/:path
     title: Fall 2024 release
-    output: true         
+    output: true         
+  2025-01:
+    permalink: /:collection/:path
+    title: Spring 2025 release
+    output: true