Fix agent not able to install esptool after 1.6.0

[umbynos]

Please check if the PR fulfills these requirements

• The PR has no duplicates (please search among the Pull Requests
  before creating one)
• Tests for the changes have been added (for bug fixes / features)

• What kind of change does this PR introduce?

bug fix

• What is the current behavior?

The agent is not able to intall esptool after 1.6.0 (more details in #980)

• What is the new behavior?

The old behavior is restored

• Does this PR introduce a breaking change?

• Other information:

No

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 20.01%. Comparing base (46fbb34) to head (d27b9b0).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #986      +/-   ##
==========================================
- Coverage   20.04%   20.01%   -0.04%     
==========================================
  Files          42       42              
  Lines        2569     2568       -1     
==========================================
- Hits          515      514       -1     
  Misses       1968     1968              
  Partials       86       86              

Flag	Coverage Δ
unit	20.01% <100.00%> (-0.04%)	⬇️

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[MatteoPologruto]

LGTM, nice work 🚀

[Xayton]

Local tests are OK. The problematic esptool package installation works and if it was previously broken, a new install request will fix it.