Bump tree-hash dep (#68)

Author: macladson

.github/workflows/test-suite.yml

@@ -30,7 +30,7 @@ jobs:
     - name: Get latest version of stable Rust
       run: rustup update stable
     - name: Run tests
-      run: cargo test --release
+      run: cargo test --release --all-features
   coverage:
     name: cargo-tarpaulin
     runs-on: ubuntu-latest

Cargo.toml

@@ -11,7 +11,7 @@ keywords = ["ethereum"]
 categories = ["cryptography::cryptocurrencies"]
 
 [dependencies]
-tree_hash = "0.10.0"
+tree_hash = { version = "0.11.0", default-features = false }
 ethereum_serde_utils = "0.8.0"
 ethereum_ssz = "0.9.0"
 serde = "1.0.0"
@@ -26,6 +26,10 @@ criterion = "0.7.0"
 serde_json = "1.0.0"
 tree_hash_derive = "0.10.0"
 
+[features]
+default = ["ring"]
+ring = ["tree_hash/ring"]
+
 [[bench]]
 harness = false
 name = "encode_decode"