[TASK] Drop unused GPG keys from `phive install` on CI #2337

Job	Run time
Composer Validate (8.3)	7s
PHP Lint (7.3)	8s
PHP Lint (7.4)	14s
PHP Lint (8.0)	7s
PHP Lint (8.1)	8s
PHP Lint (8.2)	11s
PHP Lint (8.3)	7s
PHP Lint (8.4)	8s
Static Analysis (composer:normalize, 8.3)	17s
Unit tests (7.3, lowest)	19s
Static Analysis (php:fixer, 8.3)	19s
Static Analysis (php:md, 8.3)	17s
Unit tests (7.3, highest)	28s
Unit tests (7.4, lowest)	21s
Static Analysis (php:rector, 8.3)	21s
Static Analysis (php:stan, 8.3)	31s
Unit tests (7.4, highest)	18s
Unit tests (8.0, lowest)	22s
Unit tests (8.0, highest)	11s
Unit tests (8.1, lowest)	12s
Unit tests (8.1, highest)	13s
Unit tests (8.2, lowest)	25s
Unit tests (8.2, highest)	14s
Unit tests (8.3, lowest)	14s
Unit tests (8.3, highest)	11s
Unit tests (8.4, lowest)	18s
Unit tests (8.4, highest)	18s
	6m 59s

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