OMPT Target Offload Support (#17)

- Porting from https://github.com/ROCm/omnitrace/pull/411
- Improve OMPT support
- Add OpenMP target example to testing
- Update Timemory submodule to use ROCm/Timemory rather than NERSC/Timemory
- Update `actions/upload-artifacts` to v4
- Standardize the `cmake_minimum_required` to 3.18.4 across workflows, project, and examples
- Updated Ubuntu 20.04 workflows

docs/conceptual/rocprof-sys-feature-set.rst

@@ -7,7 +7,7 @@ The ROCm Systems Profiler feature set and use cases
 ***************************************
 
 `ROCm Systems Profiler <https://github.com/ROCm/rocprofiler-systems>`_ is designed to be highly extensible.
-Internally, it leverages the `Timemory performance analysis toolkit <https://github.com/NERSC/timemory>`_
+Internally, it leverages the `Timemory performance analysis toolkit <https://github.com/ROCm/timemory>`_
 to manage extensions, resources, data, and other items. It supports the following features,
 modes, metrics, and APIs.
 

docs/how-to/configuring-runtime-options.rst

@@ -28,7 +28,7 @@ use the ``rocprof-sys-avail -G ~/.rocprof-sys.cfg --all`` option
 for a verbose configuration file with descriptions, categories, and additional information.
 
 Modify ``${HOME}/.rocprof-sys.cfg`` as required. For example, enable `Perfetto <https://perfetto.dev/>`_,
-`Timemory <https://github.com/NERSC/timemory>`_, sampling, and process-level sampling by default
+`Timemory <https://github.com/ROCm/timemory>`_, sampling, and process-level sampling by default
 and tweak the default sampling values.
 
 .. code-block:: shell
@@ -64,7 +64,7 @@ accepts a case insensitive match for nearly all common Boolean logic expressions
 Exploring components
 -----------------------------------
 
-ROCm Systems Profiler uses `Timemory <https://github.com/NERSC/timemory>`_ extensively to provide
+ROCm Systems Profiler uses `Timemory <https://github.com/ROCm/timemory>`_ extensively to provide
 various capabilities and manage
 data and resources. By default, with ``ROCPROFSYS_PROFILE=ON``, ROCm Systems Profiler only collects wall-clock
 timing values. However, by modifying the ``ROCPROFSYS_TIMEMORY_COMPONENTS`` setting,