ci: Update Fedora 43 base image to get bzr and flang fixes

* breezy: https://bugzilla.redhat.com/show_bug.cgi?id=2366194
* flang: https://bugzilla.redhat.com/show_bug.cgi?id=2401176

.gitlab/ci/configure_fedora43_makefiles.cmake

@@ -1,11 +1,7 @@
 set(CMake_TEST_C_STANDARDS "90;99;11;17;23" CACHE STRING "")
 set(CMake_TEST_CXX_STANDARDS "98;11;14;17;20;23;26" CACHE STRING "")
 
-# FIXME(Fedora): Breezy crashes in Fedora 43
-# https://bugs.launchpad.net/brz/+bug/2121688
-# https://bugzilla.redhat.com/show_bug.cgi?id=2366194
-set(CMake_TEST_CTestUpdate_BZR "OFF" CACHE BOOL "")
-
+set(CMake_TEST_CTestUpdate_BZR "ON" CACHE BOOL "")
 set(CMake_TEST_CTestUpdate_GIT "ON" CACHE BOOL "")
 set(CMake_TEST_CTestUpdate_HG "ON" CACHE BOOL "")
 set(CMake_TEST_CTestUpdate_SVN "ON" CACHE BOOL "")

.gitlab/ci/env_fedora43_clazy.sh

@@ -1,6 +1,6 @@
 export CC=/usr/bin/clang
 export CXX=/usr/bin/clazy
-export CLANGXX=/usr/bin/clang++-20
+export CLANGXX=/usr/bin/clang++
 
 export CLAZY_CHECKS="level2\
 ,no-base-class-event\

.gitlab/ci/env_fedora43_common_clang.sh

@@ -1,9 +1,3 @@
 export CC=/usr/bin/clang-21
 export CXX=/usr/bin/clang++-21
 export FC=/usr/bin/flang-21
-
-# FIXME(Fedora): Flang 21 packages do not make the runtime library findable.
-# https://github.com/llvm/llvm-project/issues/138340
-# https://bugzilla.redhat.com/show_bug.cgi?id=2401176
-# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117534
-export LD_LIBRARY_PATH=/usr/lib/clang/21/lib/x86_64-redhat-linux-gnu

.gitlab/os-linux.yml

@@ -83,7 +83,7 @@
 ### Fedora
 
 .fedora43:
-    image: "kitware/cmake:ci-fedora43-x86_64-2025-10-29"
+    image: "kitware/cmake:ci-fedora43-x86_64-2025-11-06"
 
     variables:
         GIT_CLONE_PATH: "$CI_BUILDS_DIR/cmake ci/long file name for testing purposes"