python-jsonschema: RDEPENDS on python-importlib-metadata

This fixes a following runtime issue:
|      raise DistributionNotFound(req, requirers)
| pkg_resources.DistributionNotFound: The 'importlib_metadata'
| distribution was not found and is required by jsonschema

Signed-off-by: Ming Liu <liu.ming50@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python-jsonschema.inc

@@ -10,6 +10,7 @@ DEPENDS += "${PYTHON_PN}-vcversioner-native ${PYTHON_PN}-setuptools-scm-native"
 RDEPENDS_${PN} += " \
     ${PYTHON_PN}-attrs \
     ${PYTHON_PN}-core \
+    ${PYTHON_PN}-importlib-metadata \
     ${PYTHON_PN}-io \
     ${PYTHON_PN}-json \
     ${PYTHON_PN}-netclient \