workflows: Add CI task for denying incompatible types

This is because this behavior is default since gcc 14 or later.
But our CI is still using ubuntu-22.04 as a base testing workers.
So, we need to implement an additional task for denying incompatible
types for pointer operations.

Signed-off-by: Hiroshi Hatake <hiroshi@chronosphere.io>

Author: cosmo0920

.github/workflows/unit-tests.yaml

@@ -52,6 +52,7 @@ jobs:
           - "-DFLB_SANITIZE_THREAD=On"
           - "-DFLB_SIMD=On"
           - "-DFLB_SIMD=Off"
+          - "-DFLB_DENY_INCOMPATIBLE_TYPES=On"
         cmake_version:
           - "3.31.6"
         compiler:
@@ -66,6 +67,10 @@ jobs:
             compiler:
               cc: clang
               cxx: clang++
+          - flb_option: "-DFLB_DENY_INCOMPATIBLE_TYPES=On"
+            compiler:
+              cc: clang
+              cxx: clang++
     permissions:
       contents: read
     steps: