Update dependency @testing-library/jest-dom to ^6.6.4 (#315)

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

Author: renovate[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@babel/preset-typescript": "^7.27.1",
     "@peculiar/webcrypto": "^1.5.0",
     "@stanlemon/eslint-config": "*",
-    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/jest-dom": "^6.6.4",
     "babel-jest": "^30.0.5",
     "babel-loader": "^10.0.0",
     "css-loader": "^7.1.2",