chore(deps-dev): bump php-http/discovery from 1.19.4 to 1.20.0 #1751

Job	Run time
Backward Compatible Changes	3s
Code quality	22s
Dependencies state	1m 5s
Mutation testing	1m 22s
Integration tests on PHP 8.1	59s
Working Nix Shell	1m 15s
Integration tests on PHP 8.2	56s
Tests on PHP 8.1	17s
Tests on PHP 8.1 --prefer-lowest --prefer-stable	18s
Integration tests on PHP 8.3	1m 4s
Tests on PHP 8.2	25s
Tests on PHP 8.2 --prefer-lowest --prefer-stable	18s
Tests on PHP 8.3	17s
Tests on PHP 8.3 --prefer-lowest --prefer-stable	18s
	8m 59s

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