Update CI to have GCC-14

Author: mborland

.github/workflows/ci.yml

@@ -105,24 +105,29 @@ jobs:
             container: ubuntu:22.04
             install:
               - g++-12-multilib
-          - name: 32-bit UBSAN
-            toolset: gcc-12
-            cxxstd: "03,11,14,17,20,23"
+          - toolset: gcc-14
+            cxxstd: "03,11,14,17,20,23,2c"
+            address_model: "64"
+            os: ubuntu-latest
+            container: ubuntu:24.04
+            install:
+              - g++-14-multilib
+          - toolset: gcc-14
+            cxxstd: "03,11,14,17,20,23,2c"
             address_model: "32"
-            ubsan: 1
             os: ubuntu-latest
-            container: ubuntu:22.04
+            container: ubuntu:24.04
             install:
-              - g++-12-multilib
+              - g++-14-multilib
           - name: 64-bit UBSAN
-            toolset: gcc-12
-            cxxstd: "03,11,14,17,20,23"
+            toolset: gcc-14
+            cxxstd: "03,11,14,17,20,23,2c"
             address_model: "64"
             ubsan: 1
             os: ubuntu-latest
-            container: ubuntu:22.04
+            container: ubuntu:24.04
             install:
-              - g++-12-multilib
+              - g++-14-multilib
 
           # Linux, clang
           - toolset: clang