Release 0.8.2

[3alpha]

Usage related changes

• Bump package version to 0.8.2.
• Update compatibility documentation to state support for Devnet v0.8.2.
• Balance checks in tests now use starknet.Contract(...).balanceOf(...) against the token class ABI.

Development related changes

• Bump CI DEVNET_VERSION to 0.8.2 in the publish workflow.
• Regenerate lockfile version metadata for the release.
• Verified locally with Node 24:
  • npm run build-check
  • npm run lint-check
  • ./node_modules/.bin/_mocha -r ts-node/register test/devnet-provider.test.ts --grep "works for WEI"

Checklist:

• Applied formatting - npm run format
• No linter errors - npm run lint
• Performed code self-review
• Rebased to the latest commit of the target branch (or merged it into my branch)
  • Once you make the PR reviewable, please avoid force-pushing
• Updated the docs if needed
• Linked the issues resolvable by this PR - linking info
• Updated the tests if needed; all passing - npm test