ktl-1172 chore: update main banner

data/last-news.yml

@@ -1,11 +1,11 @@
+- title: "KotlinConf 2024 Tickets Are Now Available!"
+  link: https://blog.jetbrains.com/kotlin/2023/07/kotlinconf-2024/
+
 - title: "Updated Kotlin roadmap for 2023"
   link: https://kotlinlang.org/docs/roadmap.html
 
 - title: "Kotlin Multiplatform Mobile Content Creators"
   link: https://blog.jetbrains.com/kotlin/2022/12/shout-out-to-kotlin-multiplatform-mobile-content-creators/
 
-- title: "KotlinDL 0.5 Has Come to Android!"
-  link: https://blog.jetbrains.com/kotlin/2022/12/kotlindl-0-5-has-come-to-android/
-
 - title: "Reproducible Kotlin Compiler Artifacts"
   link: https://blog.jetbrains.com/kotlin/2023/02/reproducible-kotlin-compiler-artifacts/

data/release-banner.yml

@@ -1,4 +1,4 @@
-isActive: true
+isActive: false
 version: 1.9.0
 versionSuffix: ""
 url: https://blog.jetbrains.com/kotlin/2023/07/kotlin-1-9-0-released/

templates/inc/pages/index/latest-news.html

@@ -6,10 +6,10 @@ <h2 class="kotlin-banner-section__header kto-heading kto-heading_size_h1">Latest
 {% else %}
   <div class="kotlin-banner-section__banner">
     <a target="_blank" class="kotlin-banner-section__link"
-       href="https://blog.jetbrains.com/kotlin/2023/05/kotlinconf-2023-recordings/">
+       href="https://kotlinconf.com/">
       <picture>
-        <source media="(max-width: 537px)" srcset="/assets/images/index/banners/kotlinconf23_recording_mobile.png">
-        <img src="/assets/images/index/banners/kotlinconf23_recording.png" alt="Watch the KotlinConf recordings" width="100%">
+        <source media="(max-width: 537px)" srcset="/assets/images/index/banners/kotlinconf24_mobile.jpg">
+        <img src="/assets/images/index/banners/kotlinconf24.jpg" alt="KotlinConf 2024" width="100%">
       </picture>
     </a>
   </div>