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

.github/workflows/opensuse.yml

@@ -63,8 +63,9 @@ jobs:
             chmod +x /opt/trace_processor/bin/trace_processor_shell
           fi
           python3 -m pip install --upgrade pip &&
-          python3 -m pip install numpy perfetto dataclasses &&
-          for i in 6 7 8 9 10 11; do /opt/conda/envs/py3.${i}/bin/python -m pip install numpy perfetto dataclasses; done
+          python3 -m pip install --upgrade numpy perfetto dataclasses &&
+          python3 -m pip install 'cmake==3.18.4' &&
+          for i in 6 7 8 9 10 11; do /opt/conda/envs/py3.${i}/bin/python -m pip install --upgrade numpy perfetto dataclasses; done
 
     - name: Configure Env
       run:
@@ -136,7 +137,7 @@ jobs:
     - name: CTest Artifacts
       if: failure()
       continue-on-error: True
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ctest-${{ github.job }}-${{ strategy.job-index }}-log
         path: |
@@ -145,7 +146,7 @@ jobs:
     - name: Data Artifacts
       if: failure()
       continue-on-error: True
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: data-${{ github.job }}-${{ strategy.job-index }}-files
         path: |