Update dependency sinon to ^21.1.1

Author: renovate[bot]

package.json

@@ -122,7 +122,7 @@
     "qunit-dom": "^3.5.0",
     "release-plan": "^0.17.4",
     "rollup": "^4.60.0",
-    "sinon": "^21.0.2",
+    "sinon": "^21.1.1",
     "testem": "^3.19.1",
     "typedoc-plugin-markdown": "^4.11.0",
     "typedoc-vitepress-theme": "^1.1.2",