python3-werkzeug: add python3-logging to RDEPENDS

werkzeug relies on the logging module, but it is not in RDEPENDS,
so add it:

|Python 3.8.2 (default, Apr 27 2020, 08:51:00)
|[GCC 9.3.0] on linux
|Type "help", "copyright", "credits" or "license" for more information.
|>>> import werkzeug
|Traceback (most recent call last):
|File "<stdin>", line 1, in <module>
|File "/usr/lib64/python3.8/site-packages/werkzeug/_init_.py", line 15, in <module>
|from .serving import run_simple
|File "/usr/lib64/python3.8/site-packages/werkzeug/serving.py", line 50, in <module>
|from ._internal import _log
|File "/usr/lib64/python3.8/site-packages/werkzeug/_internal.py", line 12, in <module>
|import logging
|ModuleNotFoundError: No module named 'logging'

Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-werkzeug_1.0.1.bb

@@ -26,6 +26,7 @@ RDEPENDS_${PN} += " \
     ${PYTHON_PN}-html \
     ${PYTHON_PN}-io \
     ${PYTHON_PN}-json \
+    ${PYTHON_PN}-logging \
     ${PYTHON_PN}-netclient \
     ${PYTHON_PN}-netserver \
     ${PYTHON_PN}-numbers \