Merge version 5.5.30-1+rpi1 and 5.5.31-1 to produce 5.5.31-1+rpi1

diff --cc debian/changelog
index 0834fbd0b3fde0adaed4f41e038f3fa606d0d93f,0a4df32b02ca35c5e4238ab67b2c4940a041ebf2..e7aa80453ac2ea47a143b720448441083f294a8e
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,12 -1,9 +1,19 @@@
- dtkcore (5.5.30-1+rpi1) bookworm-staging; urgency=medium
++dtkcore (5.5.31-1+rpi1) bookworm-staging; urgency=medium
 +
 +  [changes brought forward from 5.2.2.5-2+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sat, 26 Dec 2020 23:00:24 +0000]
 +  * Update symbols file for raspbian.
 +
 +  [changes introduced in 5.5.17.1-1+rpi1 by Peter Michael Green]
 +  * Further symbols file updates for raspbian.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Mon, 18 Apr 2022 17:35:44 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Mon, 13 Jun 2022 05:20:50 +0000
++
+ dtkcore (5.5.31-1) unstable; urgency=medium
+ 
+   * New upstream version.
+   * debian/libdtkcore5.shlibs: update version to 5.5.31.
+ 
+  -- Boyuan Yang <byang@debian.org>  Tue, 24 May 2022 23:35:19 -0400
  
  dtkcore (5.5.30-1) unstable; urgency=medium