Information about GitOpsCon 2025 (#154)

Signed-off-by: Christian Hernandez <christian@chernand.io>

Author: christianh814

content/events/gitopscon-na-2025.mdx

@@ -0,0 +1,6 @@
+---
+title: GitOpsCon NA 2025
+date: "2025-12-04"
+location: "Virtual"
+attend: https://community.cncf.io/events/details/cncf-virtual-project-events-hosted-by-cncf-presents-gitopscon-north-america-virtual/
+---

src/components/header.js

@@ -23,10 +23,10 @@ const Header = ({ color, hasBanner }) => {
       {hasBanner && (
         <div className="pb-4">
           <Banner
-            emoji={"☁️"}
-            description={"Join us in Atlanta for ArgoCon and FluxCon colocated with KubeCon! (Nov 10, 2025)"}
-            shortDescription={"Colocated Events Registration"}
-            announcementLink={"https://events.linuxfoundation.org/kubecon-cloudnativecon-north-america/co-located-events/about-co-located-events/"}
+            emoji={"🎉"}
+            description={"CFP For GitOps NA 2025 is now open!"}
+            shortDescription={"CFP for GitOpsCon"}
+            announcementLink={"https://sessionize.com/GitOpsCon_NA_2025/"}
           />
         </div>
       )}