fix cross workflow with patched deps

Author: newpavlov

.github/workflows/sha2.yml

@@ -143,5 +143,7 @@ jobs:
           wget -O /tmp/binaries.tar.gz $URL
           tar -C /tmp -xzf /tmp/binaries.tar.gz
           mv /tmp/cross ~/.cargo/bin
-      - run: cross test --target ${{ matrix.target }} --release
-      - run: cross test --target ${{ matrix.target }} --release --features asm
+      # Cross mounts only current package, i.e. by default it ignores workspace's Cargo.toml
+      - run: cd ..
+      - run: cross test --package sha2 --target ${{ matrix.target }} --release
+      - run: cross test --package sha2 --target ${{ matrix.target }} --release --features asm