[Bug] Cannot parse into usize when remote bullseye@v1 has leading zeros

[ktwrd]

beans-rs fails to parse keys for the versions and patches dictionaries/hashmaps in the remote bullseye file into a usize when it has leading zeroes (like: 074).

This can easily be reproduced by having any key in the versions or patches hashmap/dictionary with leading zeros.

{
  "versions": {
    "074": {
      "file": "pf2-0.7.4.tar.zst",
      "presz": 3553518945,
      "postsz": 6512259072,
      "signature": "pf2-0.7.4.sig",
      "heal": "pf2-0.7.4-heal.zip"
    }
  }
}

Writing a fix like the following steps should fix this issue:

1. Parse into HashMap<String, TValue>
2. Trim any 0 at start of key
3. Parse key as usize
4. Return new hashmap with type HashMap<usize, TValue>

Returning an error when a number has leading zeros is intended in serde, which is annoying.