Fix firebase-tools installation

[jeromegamez]

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 37.90%. Comparing base (dcbeddf) to head (b158285).
⚠️ Report is 1 commits behind head on 7.x.

❗ There is a different number of reports uploaded between BASE (dcbeddf) and HEAD (b158285). Click for more details.

HEAD has 8 uploads less than BASE

Flag	BASE (dcbeddf)	HEAD (b158285)
unit	7	0
integration	1	0

Additional details and impacted files

@@              Coverage Diff              @@
##                7.x    #1049       +/-   ##
=============================================
- Coverage     88.54%   37.90%   -50.64%     
  Complexity     1461     1461               
=============================================
  Files           145      145               
  Lines          4145     4137        -8     
=============================================
- Hits           3670     1568     -2102     
- Misses          475     2569     +2094     

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