Fix ci

[s3alfisc]

• Don't run extended tests on push to master.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
pyfixest/estimation/feols_.py	50.00%	1 Missing :warning:

Flag	Coverage Δ
core-tests	77.82% <92.30%> (+0.14%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
pyfixest/estimation/FixestMulti_.py	80.20% <100.00%> (ø)
pyfixest/estimation/estimation.py	96.96% <100.00%> (+1.09%)	:arrow_up:
pyfixest/estimation/vcov_utils.py	51.42% <100.00%> (ø)
pyfixest/utils/dev_utils.py	84.21% <100.00%> (+1.49%)	:arrow_up:
pyfixest/estimation/feols_.py	83.24% <50.00%> (+0.25%)	:arrow_up: