Prepare changelog for release 1.47.1

Author: apmmachine

CHANGELOG.asciidoc

@@ -31,6 +31,12 @@ Use subheadings with the "=====" level for adding notes for unreleased changes:
 
 === Unreleased
 
+[[release-notes-1.x]]
+=== Java Agent version 1.x
+
+[[release-notes-1.47.1]]
+==== 1.47.1 - 2024/02/15
+
 [float]
 ===== Features
 * Added internal `safe_exceptions` config option to workaround JVM bugs related to touching exceptions - {pull}3528[#3528]
@@ -39,9 +45,6 @@ Use subheadings with the "=====" level for adding notes for unreleased changes:
 ===== Bug fixes
 * Cleanup extra servlet request attribute used for Spring exception handler - {pull}3527[#3527]
 
-[[release-notes-1.x]]
-=== Java Agent version 1.x
-
 [[release-notes-1.47.0]]
 ==== 1.47.0 - 2024/02/13