[WIP] ci: try lcov

[blueyed]

No description provided.

[blueyed]

Should get integrated into #2672, if it turns out to work better.
But #2672 could be merged already.

[codecov]

Codecov Report

Merging #2732 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2732      +/-   ##
==========================================
- Coverage    86.5%   86.49%   -0.01%     
==========================================
  Files         569      570       +1     
  Lines       38076    38088      +12     
==========================================
+ Hits        32937    32945       +8     
- Misses       5139     5143       +4

Flag	Coverage Δ
#gcov	74.96% <ø> (-0.02%)	⬇️
#luacov	89.39% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
build-utils/lgi-check.c	66.66% <0%> (ø)

[blueyed]

Misses a bit (including spawn_monitor_timeout and spawn_launchee_timeout) - is that only flaky?

[blueyed]

NOTE: many parenthesis related changes when skipping fixes with codecov (-X fix): https://codecov.io/gh/awesomeWM/awesome/compare/ed0c3ceb2c39d0799cfe86894ad9dc2ff5e0e40c...0113666e83a5488a3a4e8cb6ced341869498335f/changes

[blueyed]

Re-trigger coveralls.