CI: Add gcc-toolset-14 to installed build dependencies

gcc-toolset-14 is required to support c++23 standard

Author: Pavel Siska

.github/actions/install-dependencies/action.yml

@@ -40,7 +40,7 @@ runs:
       run: |
         dnf config-manager --set-enabled ol9_codeready_builder
         dnf install -y dnf-plugins-core epel-release
-        dnf install -y make gcc-c++ cmake3 git rpm-build
+        dnf install -y make gcc-c++ cmake3 git rpm-build gcc-toolset-14
         dnf install -y fuse3-devel openssl-devel gcc-toolset-14-libatomic-devel libunwind-devel lz4-devel
 
     - name: Install clang tools