Timeline: Fix s/2/3/g substitutions on titles

Co-authored-by: wookie184 <wookie1840@gmail.com>

pydis_site/templates/home/timeline.html

@@ -104,7 +104,7 @@ <h3>Python 3.11 Release Stream</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>Summer Code Jam 3033 (CJ9)</h3>
+          <h3>Summer Code Jam 2022 (CJ9)</h3>
           <p>
             We host the 9th Code Jam. This year, teams had to use <b>websockets</b> to create a
             project based on the theme, <b>It's not a bug, it's a feature</b>. In all, 24 teams
@@ -280,7 +280,7 @@ <h3>Partnership with Black</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>Summer Code Jam 3031 (CJ8)</h3>
+          <h3>Summer Code Jam 2021 (CJ8)</h3>
           <p>
             We host the 8th now-annual Code Jam. Teams had to create a program with an text-based user
             interface (TUI), all designed around the theme of “think inside the box.” Ultimately, 51
@@ -343,7 +343,7 @@ <h3>Owners become PSF Fellows</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>Summer Code Jam 3030 Highlights</h3>
+          <h3>Summer Code Jam 2020 Highlights</h3>
           <p>
             We release a new video to our YouTube showing the best projects from the Summer Code Jam 2020.
             Better late than never!
@@ -518,7 +518,7 @@ <h3>Python Discord hits 100,000 members!</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>Python Discord hosts the 3030 CPython Core Developer Q&A</h3>
+          <h3>Python Discord hosts the 2020 CPython Core Developer Q&A</h3>
           <div class="force-aspect-container">
             <iframe class="force-aspect-content" src="https://www.youtube.com/embed/gXMdfBTcOfQ" frameborder="0"
                     allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
@@ -553,7 +553,7 @@ <h3>Python Discord is now the new home of the PyWeek event!</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>PyDis summer code jam 3030 with the theme “Early Internet” and Django as the technology</h3>
+          <h3>PyDis summer code jam 2020 with the theme “Early Internet” and Django as the technology</h3>
           <p>Sponsored by the Django Software Foundation and JetBrains, the Summer
             Code Jam for 2020 attracts hundreds of participants, and sees the creation of some fantastic
             projects. Check them out in our judge stream below:</p>
@@ -626,7 +626,7 @@ <h3>ModMail is now live</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>PyDis Game Jam 3030 with the “Three of a Kind” theme and Arcade as the technology</h3>
+          <h3>PyDis Game Jam 2020 with the “Three of a Kind” theme and Arcade as the technology</h3>
           <p>The creator of Arcade, Paul Vincent Craven, joins us as a judge.
             Several of the Code Jam participants also end up getting involved contributing to the Arcade
             repository.</p>
@@ -920,7 +920,7 @@ <h3>First code jam with the theme “snakes”</h3>
         </div>
 
         <div class="timeline-content content box">
-          <h3>PyDis hits 3,000 members; pythondiscord.com and @Python are live</h3>
+          <h3>PyDis hits 2,000 members; pythondiscord.com and @Python are live</h3>
           <p>The public moderation bot we're using at the time, Rowboat, announces
             it will be shutting down. We decide that we'll write our own bot to handle moderation, so that we
             can have more control over its features. We also buy a domain and start making a website in Flask.