Rename language to locale #157

Job	Run time
Coding standard (ubuntu-latest, 8.1)	19s
Static analysis (ubuntu-latest, 8.1)	34s
Tests (ubuntu-latest, 7.4, false)	32s
Tests (ubuntu-latest, 8.0, false)	46s
Test for mutants (ubuntu-latest, 8.1)	1m 59s
Tests (ubuntu-latest, 8.1, false)	38s
Tests (macos-latest, 7.4, false)	1m 1s
Tests (macos-latest, 8.0, false)	1m 2s
Tests (macos-latest, 8.1, false)	54s
Tests (windows-latest, 7.4, false)	59s
Tests (windows-latest, 8.0, false)	1m 4s
Tests (windows-latest, 8.1, false)	1m 1s
Tests (ubuntu-latest, 7.4, --prefer-lowest --prefer-stable, false)	36s
Tests (ubuntu-latest, 8.2, --ignore-platform-req=php+, false)	41s
Code coverage finish (ubuntu-latest, 8.1)	3s
Status check - CI	2s
	12m 11s

Provide feedback