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

diff --cc debian/changelog
index f59d1c1aed5027c27ada1373a0dbc191fea5263e,ef91e7c4e1ff2ba03c1b07df937ad0c24c379655..924c090fff4a71ec2383500bc4073c1a7b3b8917
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,10 +1,17 @@@
- plasma-activities (6.6.3-2+rpi1) forky-staging; urgency=medium
++plasma-activities (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 Tue, 03 Dec 2024 17:13:41 +0000]
 +  * Update symbols file for raspbian.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Tue, 14 Apr 2026 14:04:38 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Sat, 02 May 2026 19:27:30 +0000
++
+ plasma-activities (6.6.4-1) unstable; urgency=medium
+ 
+   [ Aurélien COUDERC ]
+   * New upstream release (6.6.4).
+   * Bump Standards-Version to 4.7.4, no change required.
+ 
+  -- Aurélien COUDERC <coucouf@debian.org>  Sun, 26 Apr 2026 10:18:47 +0200
  
  plasma-activities (6.6.3-2) unstable; urgency=medium