chore: use CarBufferReader from @ipld/car (#428)

Remove sync car reader code in favour of CarBufferReader that landed
upstream in
[@ipld/car](ipld/js-car#121 (comment))

Fixes #401


❤️

License: MIT
Signed-off-by: Oli Evans <oli@protocol.ai>

---------

Signed-off-by: Oli Evans <oli@protocol.ai>
Co-authored-by: Benjamin Goering <171782+gobengo@users.noreply.github.com>
Co-authored-by: Alan Shaw <alan.shaw@protocol.ai>

packages/access-client/package.json

@@ -58,8 +58,7 @@
     "dist/src/**/*.d.ts.map"
   ],
   "dependencies": {
-    "@ipld/car": "^5.0.3",
-    "@ipld/dag-cbor": "^9.0.0",
+    "@ipld/car": "^5.1.0",
     "@ipld/dag-ucan": "^3.2.0",
     "@ucanto/client": "^5.1.0",
     "@ucanto/core": "^5.2.0",
@@ -80,7 +79,6 @@
     "p-wait-for": "^5.0.0",
     "type-fest": "^3.3.0",
     "uint8arrays": "^4.0.3",
-    "varint": "^6.0.0",
     "ws": "^8.12.0",
     "zod": "^3.20.2"
   },

packages/access-client/src/encoding.js

@@ -13,7 +13,7 @@
  * @module
  */
 /* eslint-disable unicorn/prefer-spread */
-import { CarReader } from './utils/car-reader-sync.js'
+import { CarBufferReader } from '@ipld/car/buffer-reader'
 import * as CarBufferWriter from '@ipld/car/buffer-writer'
 import { Delegation } from '@ucanto/core/delegation'
 import * as u8 from 'uint8arrays'
@@ -72,7 +72,7 @@ export function bytesToDelegations(bytes) {
   if (!(bytes instanceof Uint8Array) || bytes.length === 0) {
     throw new TypeError('Input should be a non-empty Uint8Array.')
   }
-  const reader = CarReader.fromBytes(bytes)
+  const reader = CarBufferReader.fromBytes(bytes)
   const roots = reader.getRoots()
 
   /** @type {Types.Delegation<T>[]} */