Add CI job with GCC 14 (#6905)

Author: SiarheiFedartsou

.github/workflows/osrm-backend.yml

@@ -245,6 +245,16 @@ jobs:
             CXXCOMPILER: clang++-15
             ENABLE_CONAN: ON
 
+          - name: gcc-14-release
+            continue-on-error: false
+            node: 20
+            runs-on: ubuntu-24.04
+            BUILD_TOOLS: ON
+            BUILD_TYPE: Release
+            CCOMPILER: gcc-14
+            CXXCOMPILER: g++-14
+            CXXFLAGS: '-Wno-array-bounds -Wno-uninitialized'
+
           - name: gcc-13-release
             continue-on-error: false
             node: 20