Fix deprecation warnings #10964

Job	Run time
Pre run	5s
Lint: PHP	1m 12s
Normalize composer.json	18s
Lint: JS	0s
Lint: CSS	0s
Static Analysis: PHP	1m 33s
Build: dev build ZIP	4m 49s
Build: prod build ZIP	2m 16s
E2E test: JS	12m 9s
Feature test: PHP 7.4, WP latest	2m 57s
Feature test: PHP 8.3, WP trunk	4m 11s
Feature test: PHP 8.2, WP trunk	3m 30s
Feature test: PHP 8.1, WP trunk	4m 4s
Feature test: PHP 8.0, WP latest	4m 45s
Feature test: PHP 7.4, WP 5.3	3m 12s
Unit test: JS	0s
Unit test: PHP 8.0, WP latest	3m 36s
Unit test: PHP 8.3, WP trunk	5m 23s
Unit test: PHP 8.2, WP trunk	3m 37s
Unit test: PHP 8.1, WP trunk	3m 33s
Unit test: PHP 8.0, WP trunk	3m 47s
Unit test (with coverage): PHP 8.0, WP latest	6m 27s
Unit test: PHP 8.0, WP latest	3m 31s
Unit test: PHP 7.4, WP latest	3m 26s
Unit test: PHP 7.4, WP latest	2m 48s
Unit test: PHP 7.4, WP 5.3	3m 42s
Unit test: PHP 7.4, WP 5.3	3m 30s
Upload plugin ZIPs to Google Cloud Storage	28s
Comment on PR with links to plugin ZIPs	7s
	1h 28m 56s

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