Task: Release candidate v2.3.0

[jonrandahl]

This pull request is a release candidate so all changes outside of the version cadence and changelog update have been previously approved.

What's changed:

• Implements dynamic loading of the accredited statistic logo based on the current locale, providing appropriate Welsh and English logos linked to content
• Refactors the header styling and structure, including extracting header and footer styles, improving header responsiveness and styling consistency, to improve code organisation and maintainability

Additional changes:

• Updates several tooling dependencies including caniuse-lite and baseline-browser-mapping
• Updates the githooks for code quality checks, including pre-commit, post-commit, and pre-push hooks, to automate linting and testing processes locally.

[bogdanadrianmarc]

👍