test/py: Bump py to 1.10.0 for CVE-2020-29651

Bump our py version to 1.10.0 to address CVE-2020-29651.

Reported-by: GitHub dependabot
Reported-by: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Tom Rini <trini@konsulko.com>

test/py/requirements.txt

@@ -9,7 +9,7 @@ more-itertools==7.2.0
 packaging==19.2
 pbr==5.4.3
 pluggy==0.13.0
-py==1.8.0
+py==1.10.0
 pycryptodomex==3.9.8
 pyelftools==0.27
 pygit2==0.28.2