build: fix the RevAPI clearing script

[jponge]

This prevents unwanted files to be added.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.20%. Comparing base (3323d20) to head (6c3bda7).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2114      +/-   ##
============================================
+ Coverage     89.17%   89.20%   +0.03%     
- Complexity     3124     3125       +1     
============================================
  Files           412      412              
  Lines         13308    13308              
  Branches       1688     1688              
============================================
+ Hits          11867    11871       +4     
- Misses          813      814       +1     
+ Partials        628      623       -5     

see 18 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.