Merge version 2.8.0-1+rpi1 and 2.9.0-1 to produce 2.9.0-1+rpi1

diff --cc debian/changelog
index 3d25d64d1af1934e36cead4f24d3f0329e5e5467,31e50ab0d0e588e805efb80570b711d626b48a2f..bd774d46b2f3f333d057fa01e13569ddd615ab57
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,18 +1,25 @@@
- utf8proc (2.8.0-1+rpi1) bookworm-staging; urgency=medium
++utf8proc (2.9.0-1+rpi1) trixie-staging; urgency=medium
 +
 +  [changes brought forward from 2.7.0-1+rpi1 by root <Peter Michael Green <plugwash@raspbian.org> at Fri, 24 Dec 2021 05:29:20 +0000]
 +  * Force C.utf-8 locale.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sun, 20 Nov 2022 18:45:42 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Sun, 24 Dec 2023 19:08:34 +0000
++
+ utf8proc (2.9.0-1) unstable; urgency=medium
+ 
+   * Upload to unstable and start transition.
+ 
+  -- Mo Zhou <lumin@debian.org>  Fri, 27 Oct 2023 14:45:19 -0400
+ 
+ utf8proc (2.9.0-1~exp1) experimental; urgency=medium
+ 
+   * New upstream version 2.9.0 (Closes: #1052835)
+     supports unicode-data 15.1.0
+   * Refresh remaining patches.
+   * Bump SOVERSION from 2 to 3.
+   * Discard the --no-parallel dh option.
+ 
+  -- Mo Zhou <lumin@debian.org>  Sun, 22 Oct 2023 17:18:12 -0400
  
  utf8proc (2.8.0-1) unstable; urgency=medium
  

diff --cc debian/rules
index 2843b61ab5332071fff90379c835b0f91f4fb968,a14ec8eb9c9b6531bd22fe0fb1fc9fc118bd7ab2..e505a3eff8eb51f8613976a39e2aac9cf8c502c3
--- 1/debian/rules
--- 2/debian/rules
+++ b/debian/rules
@@@ -1,9 -1,8 +1,9 @@@
  #!/usr/bin/make -f
  export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 +export LC_ALL=C.UTF-8
  
  %:
-       dh $@ --no-parallel
+       dh $@ --buildsystem=makefile
  
  override_dh_auto_install:
        dh_auto_install -- prefix=/usr libdir=/usr/lib/$(DEB_HOST_MULTIARCH)