chore: follow-up to Yarn update (#4478)

* fix(site): `require.resolve` webpack loader

* chore: add pnp sdk

* ci: cache dependencies

* ci: add release `version` command

.yarn/sdks/eslint/lib/api.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const {existsSync} = require(`fs`);
+const {createRequire, createRequireFromPath} = require(`module`);
+const {resolve} = require(`path`);
+
+const relPnpApiPath = "../../../../.pnp.cjs";
+
+const absPnpApiPath = resolve(__dirname, relPnpApiPath);
+const absRequire = (createRequire || createRequireFromPath)(absPnpApiPath);
+
+if (existsSync(absPnpApiPath)) {
+  if (!process.versions.pnp) {
+    // Setup the environment to be able to require eslint/lib/api.js
+    require(absPnpApiPath).setup();
+  }
+}
+
+// Defer to the real eslint/lib/api.js your application uses
+module.exports = absRequire(`eslint/lib/api.js`);