chore: update version to 0.5.0

PiperOrigin-RevId: 845755472

chore: Update version to 0.4.0

fix: Update pom.xml files

This commit updates the pom.xml files to include a name for the city-time-weather tutorial and updates the distribution management URL to the new Sonatype API endpoint.

PiperOrigin-RevId: 808375764

chore: 0.2.0 release bump

PiperOrigin-RevId: 777737313

ADK changes

PiperOrigin-RevId: 760947433