Merge version 6.6.3-2+rpi1 and 6.6.4-1 to produce 6.6.4-1+rpi1

diff --cc debian/changelog
index c39bac9c443f8f26cc24925145bc2e4d3768eea3,4daf3d455c8b176727f5a59f0dc2caf53978123d..dc4b9488ce0d69808046aa9b8b504fb4a8802bff
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,11 +1,18 @@@
- libplasma (6.6.3-2+rpi1) forky-staging; urgency=medium
++libplasma (6.6.4-1+rpi1) forky-staging; urgency=medium
 +
 +  [changes brought forward from 6.2.3-2+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 05 Dec 2024 18:42:33 +0000]
 +  * Update symbols file for raspbian.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sat, 25 Apr 2026 15:45:41 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Mon, 04 May 2026 01:10:11 +0000
++
+ libplasma (6.6.4-1) unstable; urgency=medium
+ 
+   [ Aurélien COUDERC ]
+   * New upstream release (6.6.4).
+   * Update build-deps and deps with the info from cmake.
+   * Bump Standards-Version to 4.7.4, no change required.
+ 
+  -- Aurélien COUDERC <coucouf@debian.org>  Sun, 26 Apr 2026 10:20:30 +0200
  
  libplasma (6.6.3-2) unstable; urgency=medium