[maintenance] upgrade urllib3 and psutil

[pcrespov]

What do these changes do?

Upgrades urllib3 in all repo

and CVE-2019-18874

moderate severity
Vulnerable versions: <= 5.6.5
Patched version: 5.6.6
**psutil (aka python-psutil)** through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object

[codecov]

Codecov Report

Merging #1366 into master will decrease coverage by 1.49%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #1366     +/-   ##
=========================================
- Coverage   74.23%   72.73%   -1.5%     
=========================================
  Files         158      187     +29     
  Lines        6676     7545    +869     
  Branches      710      812    +102     
=========================================
+ Hits         4956     5488    +532     
- Misses       1506     1818    +312     
- Partials      214      239     +25

Flag	Coverage Δ
#integrationtests	57.57% <ø> (+0.2%)	⬆️
#unittests	66.18% <ø> (-0.77%)	⬇️

Impacted Files	Coverage Δ
...ges/service-library/src/servicelib/request_keys.py	0% <0%> (ø)
packages/service-library/src/servicelib/utils.py	66.66% <0%> (ø)
...ages/service-library/src/servicelib/aiopg_utils.py	91.39% <0%> (ø)
...kages/service-library/src/servicelib/rest_utils.py	65.71% <0%> (ø)
...s/service-library/src/servicelib/client_session.py	0% <0%> (ø)
...ges/service-library/src/servicelib/rest_routing.py	76.92% <0%> (ø)
...s/service-library/src/servicelib/requests_utils.py	0% <0%> (ø)
.../service-library/src/servicelib/openapi_servers.py	0% <0%> (ø)
packages/service-library/src/servicelib/tracing.py	0% <0%> (ø)
...s/service-library/src/servicelib/rest_responses.py	82.69% <0%> (ø)
... and 20 more

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[ignapas]

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