build(test): upgrade urllib3 to 1.26.5
build(test): upgrade urllib3 to 1.26.5

CVE-2021-33503 has been fixed in urllib3 v1.26.5.
See:
 - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33503
 - https://github.com/urllib3/urllib3/releases/tag/1.26.5

Signed-off-by: Leonardo Grasso <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@leonardograsso.com>

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