3.1.0 The pullover: activation and registration, please

What's Changed

• Add account registration and activation by @Sheikah45 in #147
• Improve accessibility of registration by @Brutus5000 in #212

Dependency updates

• Bump com.vaadin from 24.2.2 to 24.2.5 by @dependabot in #197
• Bump kotlinVersion from 1.9.20 to 1.9.21 by @dependabot in #194
• Bump com.diffplug.spotless from 6.22.0 to 6.23.2 by @dependabot in #198
• Bump io.quarkus from 3.2.3.Final to 3.6.0 by @dependabot in #195
• Bump mockitoVersion from 5.7.0 to 5.8.0 by @dependabot in #200
• Bump com.diffplug.spotless from 6.23.2 to 6.23.3 by @dependabot in #201
• Bump org.mockito.kotlin:mockito-kotlin from 5.1.0 to 5.2.1 by @dependabot in #202
• Bump com.vaadin from 24.2.5 to 24.3.2 by @dependabot in #211
• Bump io.quarkus from 3.6.0 to 3.6.4 by @dependabot in #210

Full Changelog: 3.0.4...3.1.0