flash: Fix sha256 in metadata on name change.

If the hub name was changed, the sha256 sum must change as well.

This fixes the USB installer for SPIKE hubs since it verifies the
sha256 before proceeding to install.

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0-alpha.19] - 2021-12-24
+
+### Fixed
+- Fixed incorrect metadata checksum for the firmware installer for SPIKE hubs.
+
 ## [1.0.0-alpha.18] - 2021-12-03
 
 ### Added
@@ -166,7 +171,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 <!-- let's try to keep these sorted alphabetically -->
 [support#420]: https://github.com/pybricks/support/issues/420
 
-[Unreleased]: https://github.com/pybricks/pybricksdev/compare/v1.0.0-alpha.18..HEAD
+[Unreleased]: https://github.com/pybricks/pybricksdev/compare/v1.0.0-alpha.19..HEAD
+[1.0.0-alpha.19]: https://github.com/pybricks/pybricksdev/compare/v1.0.0-alpha.18...v1.0.0-alpha.19
 [1.0.0-alpha.18]: https://github.com/pybricks/pybricksdev/compare/v1.0.0-alpha.17...v1.0.0-alpha.18
 [1.0.0-alpha.17]: https://github.com/pybricks/pybricksdev/compare/v1.0.0-alpha.16...v1.0.0-alpha.17
 [1.0.0-alpha.16]: https://github.com/pybricks/pybricksdev/compare/v1.0.0-alpha.15...v1.0.0-alpha.16