fix: Build release binaries without llama.cpp dependency

Use --no-default-features --features huggingface to avoid heavy llama.cpp
cross-compilation that was causing failures. SafeTensors works with just
the huggingface feature.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Mike Kuykendall

.github/workflows/release.yml

@@ -55,7 +55,7 @@ jobs:
           targets: ${{ matrix.target }}
 
       - name: Build binary
-        run: cargo build --release --target ${{ matrix.target }} --all-features
+        run: cargo build --release --target ${{ matrix.target }} --no-default-features --features huggingface
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4