ref(build): Rename dist directories to cjs (#4900)

rename the dist directories in all build dirs to cjs. Hence, also the tarballs' structure changes which is why this PR also introduces a breaking change.

Additional change: cleanup `yarn clean` commands by removing no longer existing directories

Author: Lms24

packages/angular/tsconfig.cjs.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+
+  "compilerOptions": {
+    "module": "commonjs",
+    "outDir": "cjs"
+  }
+}