chore(main): release 1.9.0 (#67)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.8.1"
+  ".": "1.9.0"
 }

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.9.0](https://github.com/mathematic-inc/ts-japi/compare/v1.8.1...v1.9.0) (2023-09-04)
+
+
+### Features
+
+* add polymprphic serializer ([#66](https://github.com/mathematic-inc/ts-japi/issues/66)) ([d440f87](https://github.com/mathematic-inc/ts-japi/commit/d440f87d7241cc2b52db1440b66f87112e0a3807))
+
 ## [1.8.1](https://github.com/mathematic-inc/ts-japi/compare/v1.8.0...v1.8.1) (2023-08-10)
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ts-japi",
-  "version": "1.8.1",
+  "version": "1.9.0",
   "description": "A highly-modular (typescript-friendly)-framework agnostic library for serializing data to the JSON:API specification",
   "main": "lib/index.js",
   "scripts": {