Use clang-format-18 for source formatting (#256)

* Updating clang-format to v18

- Updates the pre-commit-config
- Formats source files according to the utility

Signed-off-by: David Galiffi <David.Galiffi@amd.com>

* Update format source workflow

Signed-off-by: David Galiffi <David.Galiffi@amd.com>

* Update CONTRIBUTING

* Update comment in .clang-format

* Update CONTRIBUTING.md

* Update helper script

---------

Signed-off-by: David Galiffi <David.Galiffi@amd.com>

[ROCm/rocprofiler-systems commit: 1e13b590e7]

projects/rocprofiler-systems/examples/openmp/CG/cg.cpp

@@ -407,7 +407,7 @@ main(int /*argc*/, char** /*argv*/)
                 x[j] = norm_temp2 * z[j];
             }
         } /* end of main iter inv pow meth */
-    }     /* end parallel */
+    } /* end parallel */
     timer_stop(T_BENCH);
 
     /*