ci: replace release.sh with a release workflow

.github/workflows/release.yml

@@ -0,0 +1,57 @@
+name: Release
+
+run-name: Release ${{ inputs.type }}
+
+on:
+    workflow_dispatch:
+        inputs:
+            type:
+                description: 'Version bump'
+                type: choice
+                options: [patch, minor, major]
+                default: patch
+
+jobs:
+    release:
+        name: Release
+        runs-on: ubuntu-latest
+        if: ${{ github.repository == 'playcanvas/attribute-parser' && github.ref_name == 'main' }}
+        # queue releases instead of racing them
+        concurrency:
+            group: release
+            cancel-in-progress: false
+        steps:
+            # tags pushed with GITHUB_TOKEN don't trigger the publish workflow
+            - name: Generate app token
+              id: app-token
+              uses: actions/create-github-app-token@v3
+              with:
+                  app-id: ${{ secrets.APP_ID }}
+                  private-key: ${{ secrets.APP_KEY }}
+
+            - name: Check out code
+              uses: actions/checkout@v7
+              with:
+                  fetch-depth: 0
+                  token: ${{ steps.app-token.outputs.token }}
+
+            - name: Set up Node.js
+              uses: actions/setup-node@v7
+              with:
+                  node-version: 24.x
+
+            - name: Configure git
+              run: |
+                  id=$(gh api "/users/${{ steps.app-token.outputs.app-slug }}[bot]" --jq .id)
+                  git config user.name "${{ steps.app-token.outputs.app-slug }}[bot]"
+                  git config user.email "${id}+${{ steps.app-token.outputs.app-slug }}[bot]@users.noreply.github.com"
+              env:
+                  GH_TOKEN: ${{ steps.app-token.outputs.token }}
+
+            - name: Tag release
+              run: |
+                  tag=$(npm version "$TYPE")
+                  git push --atomic origin HEAD:main "refs/tags/$tag"
+                  echo "Released $tag" >> "$GITHUB_STEP_SUMMARY"
+              env:
+                  TYPE: ${{ inputs.type }}