Update changelog for 3.31.1-1 release

debian/changelog

@@ -1,3 +1,14 @@
+cmake (3.31.1-1) unstable; urgency=medium
+
+  * New upstream version 3.31.1
+  * Update patches
+    - Drop Fix-ImageMagick_-_ARCH_INCLUDE_DIR-detection.patch
+    - Drop Recognize-Multi-Arch-libdir-for-musl-linux-any.patch
+    - Drop LLD-linker-avoid-regression-on-archive-libraries-ded.patch
+    All patches have been accepted and applied by upstream.
+
+ -- Timo Röhling <roehling@debian.org>  Fri, 22 Nov 2024 23:59:06 +0100
+
 cmake (3.31.0-2) unstable; urgency=medium
 
   * Avoid LLD linker regression on archive deduplication (Closes: #1087983)