Bump @playwright/test from 1.50.1 to 1.51.0 in the tests-playwright group

Dependabot couldn't find the original pull request head commit, 6786ea2.

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
 	],
 	"devDependencies": {
 		"@lodder/grunt-postcss": "^3.1.1",
-		"@playwright/test": "1.50.1",
+		"@playwright/test": "1.51.1",
 		"@pmmmwh/react-refresh-webpack-plugin": "0.5.15",
 		"@wordpress/babel-preset-default": "8.19.1",
 		"@wordpress/dependency-extraction-webpack-plugin": "6.19.1",