Fix DEB and RPM dependency spec + test building docs in CI (#426)

* Update cmake/rocprofiler_config_packaging.cmake

- rocprofiler_set_package_depends which ensure CPACK_DEBIAN_PACKAGE_DEPENDS, CPACK_RPM_PACKAGE_REQUIRES, and component variants are properly formatted

* Update continuous_integration.yml

- Set ROCPROFILER_DEP_ROCMCORE to ON (test multiple dependencies)
- Set ROCPROFILER_BUILD_DOCS to ON (test building/packaging docs)

* Update docs/CMakeLists.txt

- remove '--' after cmake -E env

source/docs/CMakeLists.txt

@@ -44,7 +44,7 @@ function(DOCS_EXECUTE_PROCESS)
     message(STATUS "[rocprofiler][docs] Executing: ${_MSG}")
 
     execute_process(
-        COMMAND ${CMAKE_COMMAND} -E env HOME=${DOCS_WD} -- ${ARGN}
+        COMMAND ${CMAKE_COMMAND} -E env HOME=${DOCS_WD} ${ARGN}
         RESULT_VARIABLE _RET
         OUTPUT_VARIABLE _OUT
         ERROR_VARIABLE _ERR