Add Scala 3.6.2-RC3 changelog

Author: WojciechMazur

changelogs/3.6.2-RC2.md

@@ -1,3 +1,9 @@
+> [!NOTE]  
+> Scala 3.6.2 would become the first official release for the Scala 3.6 series.
+> Versions 3.6.0 (a broken release) and 3.6.1 (a hotfix release) should never be used. For more information, refer to the [Scala 3.6.0 Post Mortem blogpost](https://www.scala-lang.org/news/post-mortem-3.6.0.html)
+>
+> Scala 3.6.2 should effectively be regarded as "3.6.0" for all intents and purposes.
+
 # Backported fixes
 
 - Make context bounds for poly functions a standard feature [#22019](https://github.com/scala/scala3/pull/22019)
@@ -11,4 +17,4 @@ According to `git shortlog -sn --no-merges 3.6.2-RC1..3.6.2-RC2` these are:
 
 ```
     4 Wojciech Mazur
-```s
+```

changelogs/3.6.2-RC3.md

@@ -0,0 +1,19 @@
+> [!NOTE]  
+> Scala 3.6.2 would become the first official release for the Scala 3.6 series.
+> Versions 3.6.0 (a broken release) and 3.6.1 (a hotfix release) should never be used. For more information, refer to the [Scala 3.6.0 Post Mortem blogpost](https://www.scala-lang.org/news/post-mortem-3.6.0.html)
+>
+> Scala 3.6.2 should effectively be regarded as "3.6.0" for all intents and purposes.
+
+# Backported fixes
+
+- Make named tuples an experimental feature again [#22045](https://github.com/lampepfl/dotty/pull/22045)
+
+# Contributors
+
+Thank you to all the contributors who made this release possible 🎉
+
+According to `git shortlog -sn --no-merges 3.6.2-RC2..3.6.2-RC3` these are:
+
+```
+    5 Wojciech Mazur
+```