chore(artifact): bump version to 1.1.3 and add release notes

- Bump `tmp` from 0.2.1 to 0.2.5 to remove transitive dependency on `rimraf`
- Update package version to 1.1.3

packages/artifact/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/artifact",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "preview": true,
   "description": "Actions artifact lib",
   "keywords": [
@@ -48,4 +48,4 @@
     "@types/tmp": "^0.2.1",
     "typescript": "^4.3.0"
   }
-}
+}