Fix dash underline length in compiler.utils docs

Co-authored-by: Anton <100830759+antonwolfy@users.noreply.github.com>

Author: ndgrigorian

docs/doc_sources/api_reference/dpctl/compiler.rst

@@ -40,7 +40,7 @@ execution via :py:meth:`dpctl.SyclQueue.submit`.
     SyclKernelBundleCompilationError
 
 :py:mod:`dpctl.compiler.utils`
------------------------------
+------------------------------
 
 .. py:module:: dpctl.compiler.utils