chore: fix workspace clean and generate client scripts (#2126)

* chore: update workspace clean script

* chore: overwrite generated waiters in clients

Author: AllanZhengYP

Diff for: package.json

@@ -9,8 +9,8 @@
     "generate-clients": "node ./scripts/generate-clients",
     "bootstrap": "yarn",
     "clean": "yarn clear-build-cache && yarn clear-build-info && lerna clean",
-    "clear-build-cache": "rimraf ./packages/*/build  ./packages/*/build-es ./clients/*/dist",
-    "clear-build-info": "rimraf ./packages/*/*.tsbuildinfo ./clients/*/*/*.tsbuildinfo",
+    "clear-build-cache": "rimraf ./packages/*/dist ./clients/*/dist ./lib/*/dist ./packages/*/types ./clients/*/types ./lib/*/types",
+    "clear-build-info": "rimraf ./packages/**/*.tsbuildinfo ./clients/**/*.tsbuildinfo  ./lib/**/*.tsbuildinfo",
     "remove-documentation": "rimraf ./docs",
     "build:crypto-dependencies": "lerna run --scope '@aws-sdk/{types,util-utf8-browser,util-locate-window,hash-node}' --include-dependencies pretest",
     "build:protocols": "yarn build:crypto-dependencies && lerna run --scope '@aws-sdk/aws-*' --include-dependencies pretest",

Diff for: scripts/generate-clients/copy-to-clients.js

@@ -10,6 +10,7 @@ const getOverwritablePredicate = (packageName) => (pathName) => {
     "protocols",
     "pagination",
     "tests",
+    "waiters",
     "LICENCE",
     "runtimeConfig.ts",
     "runtimeConfig.browser.ts",