python3-h11: new package

Add recipe for python3-h11: a pure-Python, bring-your-own-I/O
implementation of HTTP/1.1

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

meta-python/recipes-core/packagegroups/packagegroup-meta-python.bb

@@ -153,6 +153,7 @@ RDEPENDS_packagegroup-meta-python3 = "\
     python3-grpcio-tools \
     python3-gsocketpool \
     python3-gunicorn \
+    python3-h11 \
     python3-h2 \
     python3-h5py \
     python3-haversine \