Bump Client JS SDK to v1.3.1 to publish umdNamedDefine fix

Summary:
The `umdNamedDefine: true` webpack fix (D105386494) landed and was tagged as GitHub release v1.3.1, but the npm package was never bumped past 1.3.0. As a result, the bundle served via unpkg (https://unpkg.com/meta-capi-param-builder-clientjs/dist/clientParamBuilder.bundle.js) still ships the old 1.3.0 build with the anonymous `define([], t)`, so consumers pulling from npm/unpkg never received the fix. This was reported in #32.

This diff bumps `package.json` from 1.3.0 to 1.3.1, adds a v1.3.1 CHANGELOG entry, and updates the stale Client JS row in the top-level README version table (was 1.2.2). The webpack `DefinePlugin` injects the version from `package.json` into the bundle, so the version must be bumped for a fresh build to embed 1.3.1.

Release context (per the CAPI param builder CI/CD cook book): the Client JS SDK is published to npm only when a `vx.x.x-clientjs` git tag is pushed to the public GitHub repo, which triggers a GitHub Actions CD workflow (Trusted Publishers / OIDC — no auth token needed). The tagged GitHub commit must already contain `package.json` at 1.3.1, and `client_js` only reaches GitHub via ShipIt after this diff lands. Therefore this diff must land first; ShipIt then async-syncs it to GitHub; only then can the release tag be pushed. The supported-version prerequisite (`CAPIParamBuilderSupportedVersionUtil.php` must contain the new version for metrics) is already satisfied — `V1_3_1 = 'v1.3.1'` is present in the enum.

After this lands and the npm publish runs, unpkg will serve the bundle containing the named `define('clientParamBuilder', [], t)`, resolving the RequireJS / Magento 2 checkout conflict for npm/unpkg consumers.

Reviewed By: jyou23github

Differential Revision: D107943908

fbshipit-source-id: 79e92b4a669808abe23ef9be7c399b8183af15ba

Author: xuanjie22

README.md

@@ -25,7 +25,7 @@ examples.
 | Python | 1.3.0 | `capi-param-builder-python` | [PyPI](https://pypi.org/project/capi-param-builder-python/) |
 | Java | 1.3.0 | `com.facebook.capi.sdk:capi-param-builder` | [Maven Central](https://mvnrepository.com/artifact/com.facebook.capi.sdk/capi-param-builder) |
 | Ruby | 1.3.0 | `capi_param_builder_ruby` | [RubyGems](https://rubygems.org/gems/capi_param_builder_ruby) |
-| Client JS | 1.2.2 | `meta-capi-param-builder-clientjs` | [npm](https://www.npmjs.com/package/meta-capi-param-builder-clientjs) |
+| Client JS | 1.3.1 | `meta-capi-param-builder-clientjs` | [npm](https://www.npmjs.com/package/meta-capi-param-builder-clientjs) |
 
 ---
 

client_js/CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 
 ## Unreleased
 
+## Version v1.3.1
+- Added `umdNamedDefine: true` to the webpack UMD output so the bundle emits a named `define('clientParamBuilder', [], ...)` instead of an anonymous `define([], ...)`. This prevents RequireJS (e.g. on Magento 2 checkout pages) from intercepting the anonymous module and breaking page JavaScript.
+
 ## Version v1.3.0
 - Standardized on yarn as the sole package manager — removed all npm references
 - Switched CI workflow from npm to yarn (`yarn install --frozen-lockfile`, `yarn test`, `yarn build`)

client_js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "meta-capi-param-builder-clientjs",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Conversions API parameter builder for Client-side JavaScript",
   "author": "Facebook",
   "license": "SEE LICENSE IN LICENSE",