Upgrade psutil dependency to 5.6.2

[clamoriniere]

What does this PR do?

this version include giampaolo/psutil#1470

Motivation

Allow use to remove some workaround in Dockerfile for creating a /etc/mtab symlink on

Additional Notes

Anything else we should know when reviewing?

Review checklist (to be filled by reviewers)

• PR title must be written as a CHANGELOG entry (see why)
• Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• PR must have changelog/ and integration/ labels attached
• Feature or bugfix must have tests
• Git history must be clean
• If PR adds a configuration option, it must be added to the configuration file.

[codecov]

Codecov Report

Merging #3684 into master will decrease coverage by 3.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3684      +/-   ##
==========================================
- Coverage   86.47%   83.28%   -3.19%     
==========================================
  Files         724      115     -609     
  Lines       37395     6778   -30617     
  Branches     4465      863    -3602     
==========================================
- Hits        32336     5645   -26691     
+ Misses       3839      928    -2911     
+ Partials     1220      205    -1015

[ofek]

💯