Merge branch 'release_v34r3' into 'master'

Release v34r3

See merge request !646

CMakeLists.txt

@@ -11,7 +11,7 @@
 
 cmake_minimum_required(VERSION 3.15)
 
-project(Lbcom VERSION 34.2
+project(Lbcom VERSION 34.3
         LANGUAGES CXX)
 
 # Enable testing with CTest/CDash

ReleaseNotes/v34r3.md

+2022-12-19 Lbcom v34r3
+===
+
+This version uses
+LHCb [v54r3](../../../../LHCb/-/tags/v54r3),
+Detector [v1r7](../../../../Detector/-/tags/v1r7),
+Gaudi [v36r9](../../../../Gaudi/-/tags/v36r9) and
+LCG [101a_LHCB_7](http://lcginfo.cern.ch/release/101a_LHCB_7/) with ROOT 6.24.08.
+
+This version is released on `master` branch.
+Built relative to Lbcom [v34r2](/../../tags/v34r2), with the following changes:
+
+### New features ~"new feature"
+
+
+
+### Fixes ~"bug fix" ~workaround
+
+
+
+### Enhancements ~enhancement
+
+
+
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
+
+- Fixes needed to compile with gcc 12, !642 (@clemenci)
+
+
+### Documentation ~Documentation
+
+
+### Other
+