Merge pull request #14 from Mossaka/update-spin

Update Spin to 2.2

Author: itowlson

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.71
+          toolchain: 1.73
           targets: ${{ matrix.config.target }}
       - name: Install Spin
         uses: rajatjindal/setup-actions/spin@main