chore: updates workflow to enable npm trusted publishing

NPM package publishing will be migrated to use Trusted Publishing (via OIDC).

Author: jwndlng

.github/workflows/release.yml

@@ -1,6 +1,7 @@
 name: release
 
 on:
+  workflow_dispatch:
   push:
     tags:
       - '[0-9]+.[0-9]+.[0-9]+'
@@ -13,6 +14,9 @@ jobs:
     environment:
       name: release
       url: https://www.npmjs.com/package/@dfinity/typedoc-plugin-icp-docs
+    permissions:
+      contents: read
+      id-token: write
     steps:
       - name: Checkout Code
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0