Bump sirbrillig/phpcs-variable-analysis from 2.11.17 to 2.11.18 #11447

Job	Run time
Pre run	3s
Lint: PHP	1m 6s
Lint: CSS	0s
Lint: JS	31s
E2E test: JS (1, 2)	6m 53s
Static Analysis: PHP	56s
E2E test: JS (2, 2)	4m 53s
Unit test: JS	29s
Feature tests: PHP 7.4, WP latest	2m 11s
Feature tests: PHP 8.3, WP trunk	1m 58s
Feature tests: PHP 8.2, WP trunk	1m 50s
Feature tests: PHP 8.1, WP trunk	2m 2s
Feature tests: PHP 8.0, WP latest	2m 16s
Feature tests: PHP 7.4, WP 5.3	1m 50s
Unit test: PHP 8.0, WP latest	2m 17s
Unit test: PHP 8.3, WP trunk	1m 54s
Unit test: PHP 8.2, WP trunk	2m 24s
Unit test: PHP 8.1, WP trunk	2m 21s
Unit test: PHP 8.0, WP trunk	2m 7s
Unit test (with coverage): PHP 8.0, WP latest	4m 10s
Unit test: PHP 8.0, WP latest	1m 38s
Unit test: PHP 7.4, WP latest	2m 19s
Unit test: PHP 7.4, WP latest	1m 32s
Unit test: PHP 7.4, WP 5.3	2m 14s
Build: ${{ matrix.build }} build ZIP	0s
Unit test: PHP 7.4, WP 5.3	1m 32s
Upload plugin ZIPs to Google Cloud Storage	0s
Comment on PR with links to plugin ZIPs	0s
	51m 26s

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