chore(deps): migrate unrs-resolver to new oxc-resolver

Closes #470 <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Chores** * Migrated resolver dependency from `unrs-resolver` to `oxc-resolver` * Updated `eslint-import-context` dependency to v0.2.0 * **Documentation** * Updated resolver options documentation to reference the new resolver configuration <!-- end of auto-generated comment: release notes by coderabbit.ai -->