chore: release v0.20.0

[lseelenbinder]

🤖 New release

• pmtiles: 0.19.2 -> 0.20.0 (⚠ API breaking changes)

⚠ pmtiles breaking changes

--- failure enum_variant_added: enum variant added on exhaustive enum ---

Description:
A publicly-visible enum without #[non_exhaustive] has a new variant.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#enum-variant-new
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.46.0/src/lints/enum_variant_added.ron

Failed in:
  variant PmtError:InvalidTileId in /tmp/.tmpxfPXJO/pmtiles-rs/src/error.rs:93

Changelog

0.20.0 - 2026-02-20

Other

• Make header methods publicly readable (#110)
• Return Result from TileId::new instead of Option (#107)

---

This PR was generated with release-plz.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.84%. Comparing base (babb11e) to head (37bab12).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #109   +/-   ##
=======================================
  Coverage   77.84%   77.84%           
=======================================
  Files          11       11           
  Lines        1422     1422           
  Branches     1422     1422           
=======================================
  Hits         1107     1107           
  Misses        210      210           
  Partials      105      105           

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