Make use of Github actions (instead of travis)

[romaninsh]

No description provided.

[codecov]

Codecov Report

Merging #115 into develop will decrease coverage by 0.1%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop     #115      +/-   ##
=============================================
- Coverage      99.39%   99.29%   -0.11%     
  Complexity       421      421              
=============================================
  Files             23       23              
  Lines            992      990       -2     
=============================================
- Hits             986      983       -3     
- Misses             6        7       +1

Impacted Files	Coverage Δ	Complexity Δ
src/HookTrait.php	98.46% <0%> (-1.54%)	26% <0%> (ø)
src/ExceptionRenderer/HTML.php	100% <0%> (ø)	25% <0%> (ø)	⬇️

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