chore: use Spin v3.1.1 dependencies

Signed-off-by: Kate Goldenring <[email protected]>

Author: kate-goldenring

.github/workflows/build.yaml

@@ -31,7 +31,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.79
+          toolchain: 1.81
 
       - name: Install dependencies
         run: |
@@ -68,7 +68,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.79
+          toolchain: 1.81
           targets: ${{ matrix.config.target }}
       - name: Install Spin
         uses: rajatjindal/setup-actions/spin@main