Add version upgrade action for marketplaces

.claude-plugin/marketplace.json

@@ -6,7 +6,7 @@
   "plugins": [
     {
       "name": "upsun",
-      "source": "./plugins/upsun"
+      "source": "./plugins/upsun"    
     }
   ]
 }

.cursor-plugin/marketplace.json

@@ -6,7 +6,7 @@
   "plugins": [
     {
       "name": "upsun",
-      "source": "./plugins/upsun"
+      "source": "./plugins/upsun"    
     }
   ]
 }

.github/workflows/update-version-on-release.yml

@@ -0,0 +1,50 @@
+name: Update Marketplace Version on Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  update-version:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.target_commitish }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract version from release tag
+        id: version
+        run: |
+          TAG="${{ github.event.release.tag_name }}"
+          # Strip leading 'v' prefix if present (e.g. v1.2.3 → 1.2.3)
+          VERSION="${TAG#v}"
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+
+      - name: Update .claude-plugin/marketplace.json
+        run: |
+          jq --arg v "${{ steps.version.outputs.version }}" \
+            '.plugins = [.plugins[] | . + {version: $v}]' \
+            .claude-plugin/marketplace.json > /tmp/claude-marketplace.json
+          mv /tmp/claude-marketplace.json .claude-plugin/marketplace.json
+
+      - name: Update .cursor-plugin/marketplace.json
+        run: |
+          jq --arg v "${{ steps.version.outputs.version }}" \
+            '.plugins = [.plugins[] | . + {version: $v}]' \
+            .cursor-plugin/marketplace.json > /tmp/cursor-marketplace.json
+          mv /tmp/cursor-marketplace.json .cursor-plugin/marketplace.json
+
+      - name: Commit and push version bump
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add .claude-plugin/marketplace.json .cursor-plugin/marketplace.json
+          git diff --cached --quiet && echo "No changes to commit" && exit 0
+          git commit -m "chore: bump marketplace version to ${{ steps.version.outputs.tag }}"
+          git push origin HEAD:${{ github.event.release.target_commitish }}