Build: yarn, vitest, update devDependencies

[simon04]

• Migrate to yarn: Simplifies selective dependency version upgrades using https://classic.yarnpkg.com/lang/en/docs/cli/upgrade-interactive/
• Migrate to vitest
• Update to prettier 3.0
• update devDependencies

[github-actions[bot]]

Size Change: +174 B (+1%)

Total Size: 30 kB

Filename	Size	Change
dist/Control.Geocoder.js	11.4 kB	+60 B (+1%)
dist/Control.Geocoder.min.js	7.17 kB	+104 B (+1%)
dist/Control.Geocoder.modern.js	10.3 kB	+10 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/Control.Geocoder.css	1.1 kB

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