fix: rust apollo router build (#6999)

Author: n1ru4l

.github/workflows/apollo-router-updater.yaml

@@ -28,7 +28,7 @@ jobs:
       - name: Install Rust
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # v1
         with:
-          toolchain: '1.85.1'
+          toolchain: '1.87.0'
           default: true
           override: true