Update dependency @web/test-runner to v0.20.1 (#1239)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -59,7 +59,7 @@
 		"@typescript-eslint/eslint-plugin": "5.62.0",
 		"@typescript-eslint/parser": "5.62.0",
 		"@web/dev-server-esbuild": "1.0.4",
-		"@web/test-runner": "0.20.0",
+		"@web/test-runner": "0.20.1",
 		"@web/test-runner-puppeteer": "0.18.0",
 		"autoprefixer": "10.4.21",
 		"bundled-ethers": "github:dev-protocol/bundled-ethers",