fix: correct version format validation regex in release workflow

- Fix bash regex pattern to properly validate semantic versions
- Support X.Y.Z, X.Y.Z-prerelease, and X.Y.Z+build formats
- Resolve version validation failure for 0.2.1

Author: cameronrye

.github/workflows/release.yml

@@ -61,7 +61,7 @@ jobs:
       - name: Validate version format
         run: |
           VERSION=${{ steps.get-version.outputs.version }}
-          if [[ ! $VERSION =~ ^[0-9]+\.[0-9]+\.[0-9]+([a-zA-Z0-9\-\.]+)?$ ]]; then
+          if [[ ! $VERSION =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9\.\-]+)?(\+[a-zA-Z0-9\.\-]+)?$ ]]; then
             echo "❌ Invalid version format: $VERSION"
             echo "Expected format: X.Y.Z or X.Y.Z-suffix"
             exit 1