Fix CVE

[sbrunner]

Upgrade cryptography@38.0.4 to cryptography@39.0.1 to fix
✗ Denial of Service (DoS) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3172287] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Expected Behavior Violation (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3314966] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Use After Free (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3315324] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Timing Attack (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3315331] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Denial of Service (DoS) (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3315452] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Denial of Service (DoS) (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3315972] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Denial of Service (DoS) (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3315975] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Denial of Service (DoS) (new) [Medium Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3316038] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Access of Resource Using Incompatible Type ('Type Confusion') (new) [High Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3315328] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)
✗ Denial of Service (DoS) (new) [High Severity][https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-3316211] in cryptography@38.0.4
  introduced by cryptography@38.0.4 and 5 other path(s)