update SCC banner and footer event for March 26

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: 2 people

content/events/community-call-february.md

@@ -0,0 +1,6 @@
+---
+title: "Swarm Community Call, online, March 26"
+href: "https://scc.swarm-devrel.eth.limo/"
+add_to_calendar: "https://scc.swarm-devrel.eth.limo/"
+start_date: 2026-03-26T17:00:00.000Z
+---

content/events/community-call-march.md

@@ -1,13 +1,13 @@
 {
   "event": {
     "title": "Community Call",
-    "content": "Swarm Community Call, online, February 26",
+    "content": "Swarm Community Call, online, March 26",
     "image": {
-      "src": "/uploads/0226.png",
+      "src": "/uploads/0326.png",
       "alt": ""
     },
     "cta": {
-      "href": "https://www.addevent.com/event/wng3nl5ssfk3",
+      "href": "https://scc.swarm-devrel.eth.limo/",
       "title": "Add to Calendar ->"
     }
   },