chore: add auto release plugin to auto-tag PRs that are part of the release

Author: bolt-bot

.autorc

@@ -0,0 +1,11 @@
+{
+  "plugins": [
+    [
+      "released",
+      {
+        "label": "released :rocket:",
+        "message": "%TYPE was released with %VERSION"
+      }
+    ]
+  ]
+}

package.json

@@ -21,7 +21,8 @@
     "prettier": "^1.14.3",
     "lerna": "3.17.0",
     "pretty-quick": "^1.11.1",
-    "auto": "^7.8.0"
+    "auto": "^9.31.1",
+    "@auto-it/released": "^9.31.1"
   },
   "repository": {
     "type": "git",