[ADD] a step to dynamically update the package's version when building

Author: HenraL

.github/workflows/publish_vsix.yaml

@@ -37,6 +37,25 @@ jobs:
         with:
           node-version: 24
 
+      - name: Set package.json version from tag
+        run: |
+          TAG_VERSION="${GITHUB_REF##refs/tags/}"
+          echo "Tag version: $TAG_VERSION"
+
+          node <<'EOF'
+          const fs = require('fs');
+          const pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'));
+
+          const tagVersion = process.env.TAG_VERSION;
+
+          // Update version in package.json
+          pkg.version = tagVersion;
+
+          fs.writeFileSync('package.json', JSON.stringify(pkg, null, 2));
+          EOF
+        env:
+          TAG_VERSION: ${{ github.ref }}
+
       - name: Adjust package.json for matrix target
         run: |
           node <<'EOF'