test(integrations): switch react-scripts to webpack (#8329)

* chore: switch CRA 4 to webpack 4

* pnpm dedupe

* test(integrations): switch CRA 5 to webpack 5

* Better dep vs devDep separation

* Fix lockfile

Author: lachlancollins

.github/renovate.json

@@ -24,7 +24,6 @@
     "node",
     "react",
     "react-dom",
-    "react-scripts",
     "tsup",
     "typescript",
     "typescript47",