Prepare for OTWSU 13

gatsby/content/otwsu/13.mdx

@@ -0,0 +1,16 @@
+---
+edition: 13
+youtube: https://www.youtube.com/watch?v=WP3HCbVAEzU
+section: otwsu
+image: /images/otwsu13.png
+eventdate: 2022-02-25
+---
+
+- **Jos Poortvielt from Nextcloud** will tell us about how Nextcloud provides
+    software for both enterprises and individuals, and how their needs are
+    different.
+- **Alexandre Aubin from YunoHost** will tell us how their distribution makes
+     it easy not only to put self-hosted services online but also to keep data
+     safe.
+- **Neil Alexander from Element** will tell us about the reasons why he's
+    working on Pinecone, and what the vision behind Matrix P2P is, and why he thinks the best server is no server.

gatsby/src/pages/open-tech-will-save-us.js

@@ -12,7 +12,7 @@ import moment from "moment";
 const title = `Open Tech Will Save Us | ${config.siteTitle}`;
 
 const SHOW_LIVE_STREAM = false;
-const NEXT_EVENT = 12;
+const NEXT_EVENT = 13;
 
 let liveStream;
 if (SHOW_LIVE_STREAM) {
@@ -31,7 +31,7 @@ if (SHOW_LIVE_STREAM) {
     </div>
   );
 } else {
-  liveStream = <img src="/images/otwsu12.png" alt="Open Tech Will Save Us" />;
+  liveStream = <img src="/images/otwsu13.png" alt="Open Tech Will Save Us" />;
 }
 
 const OTWSU = ({ data }) => {
@@ -47,7 +47,7 @@ const OTWSU = ({ data }) => {
         <meta name="twitter:card" content="summary_large_image" />
         <meta
           property="twitter:image"
-          content="https://matrix.org/images/otwsu12.png"
+          content="https://matrix.org/images/otwsu13.png"
         />
       </Helmet>
       <div>