Bump eslint from 8.57.0 to 9.23.0 #1825

Job	Run time
Pre run	4s
Lint: CSS	1m 1s
Lint: JS	55s
Unit test: JS	1m 5s
Lint: PHP	0s
E2E test: JS (1, 2)	5m 39s
E2E test: JS (2, 2)	4m 47s
Unit test: PHP 8.0, WP latest	1m 35s
Unit test: PHP 8.4, WP trunk	35s
Unit test: PHP 8.3, WP trunk	2m 0s
Unit test: PHP 8.2, WP trunk	32s
Unit test: PHP 8.1, WP trunk	1m 23s
Unit test: PHP 8.0, WP trunk Multisite	1m 26s
Unit test (with coverage): PHP 8.0, WP latest	36s
Feature tests: PHP ${{ matrix.php }}, WP ${{ matrix.wp }}	0s
Unit test: PHP 8.0, WP latest , Testsuite: external-http	36s
Static Analysis: PHP	0s
Unit test: PHP 7.4, WP latest Multisite	1m 42s
Unit test: PHP 7.4, WP latest , Testsuite: external-http	1m 3s
Unit test: PHP 7.4, WP 6.6	36s
Unit test: PHP 7.4, WP 6.6 , Testsuite: external-http	31s
	26m 6s

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