chore(deps): update dependency jsdom to v26 (#7453)

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

Author: renovate[bot]

packages/vitest/package.json

@@ -198,7 +198,7 @@
     "flatted": "^3.3.2",
     "get-tsconfig": "^4.10.0",
     "happy-dom": "^17.0.2",
-    "jsdom": "^25.0.1",
+    "jsdom": "^26.0.0",
     "local-pkg": "^1.0.0",
     "micromatch": "^4.0.8",
     "pretty-format": "^29.7.0",