feat(shuttle): allow manually running the deployment job

.github/workflows/shuttle.yml

@@ -9,6 +9,7 @@ on:
       - master
     tags:
       - "v*.*.*"
+  workflow_dispatch:
 
 jobs:
   build:
@@ -33,7 +34,7 @@ jobs:
       - name: Build
         run: cargo build --locked --verbose
       - name: Deploy
-        if: startsWith(github.event.ref, 'refs/tags/v')
+        if: ${{ startsWith(github.event.ref, 'refs/tags/v') || github.event_name == 'workflow_dispatch' }}
         run: |
           cargo shuttle login --api-key ${{ secrets.SHUTTLE_TOKEN }}
           cargo shuttle project restart