CMake/Packaging references incorrect Python dependency

[korydraughn]

irods_rule_engine_plugin_python/CMakeLists.txt

Line 159 in 381eb08

set(CPACK_DEBIAN_PACKAGE_DEPENDS "${IRODS_PACKAGE_DEPENDENCIES_STRING}, irods-runtime (= ${IRODS_VERSION}), libc6, python-dev")

irods_rule_engine_plugin_python/CMakeLists.txt

Line 163 in 381eb08

set(CPACK_RPM_PACKAGE_REQUIRES "${IRODS_PACKAGE_DEPENDENCIES_STRING}, irods-runtime = ${IRODS_VERSION}, openssl, python-devel")

These package names aren't supported anymore in newer distributions either (e.g Ubuntu 20). They should be updated to the appropriate package name.

• python3-dev for Ubuntu
• python3-devel for EL-based distros

[SwooshyCueb]

Do we actually need to declare a dependency on the development packages? If not, let's reduce this to a runtime package or set of runtime packages.

[trel]

Agreed - dev is only required for building, or we've got things in the wrong places.

[SwooshyCueb]

For Ubuntu/Debian, we will need libpythonX.Y (libpython3.8 for py3 on Ubuntu 20.04, for example). This also pulls in the entire stdlib.
For EL, we will need pythonX-libs (python3-libs for py3, for example). I think this also pulls in the entire stdlib.

We may need additional packages if we rely on the presence of any non-stdlib modules.