Add npm trusted publishing support

.changeset/npm-trusted-publishing.md

@@ -0,0 +1,7 @@
+---
+"immutable-class": patch
+"eslint-plugin-immutable-class": patch
+"immutable-class-tester": patch
+---
+
+Add npm trusted publishing support for automated releases via OIDC

.github/workflows/build.yml

@@ -37,6 +37,10 @@ jobs:
     needs: [build]
     name: Release
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: write
+      pull-requests: write
 
     steps:
       - uses: actions/checkout@v4
@@ -51,11 +55,14 @@ jobs:
 
       - run: npm install --prefer-offline --no-audit
 
+      - name: Update npm
+        run: npm install -g npm@latest
+
       - name: Create Release Pull Request or Publish to npm
         id: changesets
         uses: changesets/action@v1
         with:
-          publish: npx changeset publish
+          publish: npx changeset publish --provenance
           createGithubReleases: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}