fix: update as-sha256 (#463)

Author: matthewkeil

package.json

@@ -156,7 +156,7 @@
   },
   "dependencies": {
     "@chainsafe/as-chacha20poly1305": "^0.1.0",
-    "@chainsafe/as-sha256": "^0.4.1",
+    "@chainsafe/as-sha256": "^0.6.1",
     "@libp2p/crypto": "^5.0.0",
     "@libp2p/interface": "^2.0.0",
     "@libp2p/peer-id": "^5.0.0",
@@ -199,4 +199,4 @@
   "browser": {
     "./dist/src/crypto/index.js": "./dist/src/crypto/index.browser.js"
   }
-}
+}