chore(deps): update dependency stimulus to v3

Author: renovate[bot]

Diff for: package.json

@@ -126,7 +126,7 @@
         "regenerator-runtime": "0.13.*",
         "sass": "1.49.*",
         "sass-loader": "12.4.*",
-        "stimulus": "2.0.*",
+        "stimulus": "3.2.*",
         "stylelint": "13.13.*",
         "stylelint-config-standard": "22.0.*",
         "url-loader": "4.1.*",