chore: release v0.3.0

[github-actions]

🤖 New release

• irmars: 0.2.2 -> 0.3.0 (⚠ API breaking changes)

⚠ irmars breaking changes

--- failure constructible_struct_adds_field: externally-constructible struct adds field ---

Description:
A pub struct constructible with a struct literal has a new pub field. Existing struct literals must be updated to include the new field.
        ref: https://doc.rust-lang.org/reference/expressions/struct-expr.html
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/constructible_struct_adds_field.ron

Failed in:
  field SessionData.frontend_request in /tmp/.tmpfM55hz/irmars/src/irmaclient.rs:47
  field ExtendedIrmaRequest.next_session in /tmp/.tmpfM55hz/irmars/src/sessionrequest.rs:477

Changelog

0.3.0 - 2026-06-26

Added

• support chained sessions (nextSession) on ExtendedIrmaRequest
• add host option to override session QR host
• expose frontendRequest block on SessionData
• add IrmaClient::health() wrapper for the /health endpoint

Other

• bump reqwest to 0.13

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