0.23.0

What's Changed

• feat: update all samples to use gemini 3 pro by @eliasecchig in #566
• docs: update model selection to include gemini-3-pro-preview by @eliasecchig in #567
• fix: force GOOGLE_CLOUD_LOCATION env variable assignment by @eliasecchig in #569
• fix: remove erroneous code from .placeholder file by @eliasecchig in #568
• feat: bump version to 0.23.0 by @eliasecchig in #570

Full Changelog: 0.22.1...0.23.0