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>

examples/openmp/target/library.cpp

@@ -48,7 +48,7 @@ template <typename T>
 void
 vmul(T* a, T* b, T* c, int N)
 {
-#pragma omp target           map(to : a [0:N], b [0:N]) map(from : c [0:N])
+#pragma omp target           map(to : a[0 : N], b[0 : N]) map(from : c[0 : N])
 #pragma omp teams distribute parallel for
     for(int i = 0; i < N; i++)
     {