Generate VOL tests for h5dump (#5763)

Add VOL tests for h5dump, update test generation logic, and modify test configurations.

Tests:
      Add VOL tests for h5dump in CMakeTests.cmake and CMakeTestsXML.cmake.
      Modify ADD_H5_TEST macro to support VOL-specific tests and filtering.
      Add gent_tvms() function in h5dumpgentest.c and h5dumpgentest.h for generating test files.

Author: mattjala

.github/workflows/vol_rest.yml

@@ -191,4 +191,4 @@ jobs:
           HSDS_ENDPOINT=http+unix://%2Ftmp%2Fhs%2Fsn_1.sock \
           ROOT_DIR=${{github.workspace}}/hsdsdata \
           BUCKET_NAME=hsdstest \
-          ctest --build-config ${{ inputs.build_mode }} -VV -R "h5_api" -E "H5COPY|H5DIFF|H5LS" .
+          ctest --build-config ${{ inputs.build_mode }} -VV -R "h5_api" -E "H5COPY|H5DIFF|H5LS|H5DUMP" .