update protocol test codegen with clean before build, and no tag/version for private packages in changesets

Author: kuhe

.changeset/config.json

@@ -7,5 +7,9 @@
   "access": "public",
   "baseBranch": "main",
   "updateInternalDependencies": "patch",
-  "ignore": ["@aws-smithy/*"]
+  "ignore": ["@aws-smithy/*"],
+  "privatePackages": {
+    "tag": false,
+    "version": false
+  }
 }

private/smithy-rpcv2-cbor/CHANGELOG.md

@@ -1,12 +1,12 @@
 {
   "name": "@smithy/smithy-rpcv2-cbor",
   "description": "@smithy/smithy-rpcv2-cbor client",
-  "version": "1.0.0",
+  "version": "1.0.0-alpha.1",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types'",
-    "build:cjs": "tsc -p tsconfig.cjs.json",
-    "build:es": "tsc -p tsconfig.es.json",
-    "build:types": "tsc -p tsconfig.types.json",
+    "build:cjs": "(rimraf ./dist-cjs || exit 0) && tsc -p tsconfig.cjs.json",
+    "build:es": "(rimraf ./dist-es || exit 0) tsc -p tsconfig.es.json",
+    "build:types": "(rimraf ./dist-types || exit 0) tsc -p tsconfig.types.json",
     "build:types:downlevel": "downlevel-dts dist-types dist-types/ts3.4",
     "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo || exit 0",
     "prepack": "yarn run clean && yarn run build"