Bump actions/setup-node from 3.7.0 to 3.8.1 #1444

Job	Run time
Pre run	6s
Lint: CSS	1m 17s
Lint: JS	1m 35s
Lint: PHP	1m 22s
Static Analysis: PHP	1m 46s
Normalize composer.json	18s
E2E test: JS	10m 45s
Feature test${{ ((matrix.coverage && ' (with coverage)') \|\| '') }}: PHP ${{ matrix.php }}, WP ${{ matrix.wp }}	0s
Unit test: JS	1m 37s
Build: ${{ matrix.build }} build ZIP	0s
Unit test: PHP 8.0, WP latest	26s
Unit test: PHP 8.0, WP trunk	33s
Unit test: PHP 8.1, WP trunk	28s
Unit test: PHP 8.2, WP trunk	30s
Unit test (with coverage): PHP 8.0, WP latest	31s
Unit test: PHP 8.0, WP latest	33s
Unit test: PHP 7.4, WP latest	32s
Unit test: PHP 7.4, WP latest	38s
Unit test: PHP 7.3, WP latest	32s
Unit test: PHP 7.2, WP latest	28s
Unit test: PHP 7.1, WP latest	27s
Unit test: PHP 7.0, WP 5.1	31s
Unit test: PHP 7.0, WP 5.0	36s
Unit test: PHP 7.0, WP 4.9	28s
Upload plugin ZIPs to Google Cloud Storage	0s
Comment on PR with links to plugin ZIPs	0s
	25m 59s

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