Regular repository update

[tarampampam]

Q	A
Bug fix?	No
New feature?	No

Description

Changed

• CI completely moved from "Travis CI" to "Github Actions" (travis builds disabled)
• Minimal required PHP version now is 7.2

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I wrote unit tests for my code (if tests is required for my changes)
• I have made changes in CHANGELOG.md file

[codecov-commenter]

Codecov Report

Merging #11 into master will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##              master       #11   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity       459       459           
===========================================
  Files             33        33           
  Lines           1133      1133           
===========================================
  Hits            1133      1133           

Flag	Coverage Δ	Complexity Δ
#php	100.00% <ø> (?)	459.00 <ø> (?)

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