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/fork/fork.cpp

@@ -75,7 +75,8 @@ run(const char* _name, int nchildren)
     for(auto& itr : _children)
     {
         while(itr == 0)
-        {}
+        {
+        }
         printf("[%s][%i] performing waitpid(%i, ...)\n", _name, getpid(), itr);
         while((_wait_pid = waitpid(itr, &_status, WUNTRACED | WNOHANG)) <= 0)
         {