fix: Install pip and pip-tools in upgrade script

[Jawayria]

Updated the upgrade target script to check the compatibility of upgraded pip and pip-tools versions.
For reference, look at this PR for new check added in edx-repo-health.
JIRA: https://2u-internal.atlassian.net/browse/BOM-3422

[codecov]

Codecov Report

Merging #556 (a237187) into master (a128c52) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #556   +/-   ##
=======================================
  Coverage   97.48%   97.48%           
=======================================
  Files          63       63           
  Lines        3943     3943           
  Branches      554      554           
=======================================
  Hits         3844     3844           
  Misses         68       68           
  Partials       31       31           

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