Allow manually triggering a release

Author: hippotastic

.github/workflows/release.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 
 concurrency: ${{ github.workflow }}-${{ github.ref }}
 
@@ -15,38 +16,39 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
-      
+
       - name: Setup PNPM
         uses: pnpm/action-setup@v4
-      
+
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: 'pnpm'
-      
+
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
-      
+
       - name: Check for unreleased changesets
         id: has-changesets
         uses: andstor/file-existence-action@v2
         with:
           files: ".changeset/!(README).md"
-      
+
       # If there are unreleased changesets, validate the project before creating the changesets PR
       - name: Require build, test and lint to pass
         if: steps.has-changesets.outputs.files_exists == 'true'
         run: |
           pnpm build
           pnpm test
           pnpm lint
-      
+
       # Run changesets action either if there are unreleased changesets (= a PR must be created)
       # or if the commit message matches the release PR (= new versions must be published to NPM)
+      # or if the workflow was triggered manually through `workflow_dispatch`
       - name: Create changesets PR or publish to NPM
         id: changesets
-        if: steps.has-changesets.outputs.files_exists == 'true' || startsWith(github.event.head_commit.message, '[CI] Release')
+        if: steps.has-changesets.outputs.files_exists == 'true' || startsWith(github.event.head_commit.message, '[CI] Release') || github.event_name == 'workflow_dispatch'
         uses: changesets/action@v1
         with:
           title: '[CI] Release'