chore: Bump version and update CHANGELOG for v1.9.0

PiperOrigin-RevId: 789494584

fix: ModuleNotFound error should be caught when dependencies of Local…

…EvalService are not installed

Once caught we publish the clarifying message to install the extra.

PiperOrigin-RevId: 785999033

chore: Release 1.7.0

PiperOrigin-RevId: 783918022

chore: Release 1.6.0

PiperOrigin-RevId: 781272837

chore: Enhance a2a part converters

a. fix binary data conversion
b. support thoughts, code execution result, executable codes conversion

PiperOrigin-RevId: 775827259

chore: bump version number to 1.4.2

PiperOrigin-RevId: 773867075

chore: Remove service account support

given it was not correctly supported.

PiperOrigin-RevId: 773137317

chore: Bump version number and update changelog for 1.3.0 release

PiperOrigin-RevId: 770362588

fix: import deprecated from typing_extensions

Fixes google#1125

and add it to pyproject.toml. This was added to typing_extensions in 4.5.0. I followed versioning guidance from https://typing-extensions.readthedocs.io/en/latest/index.html#versioning-and-backwards-compatibility.

PiperOrigin-RevId: 767317467

fix: relax openapi spec to gemini schema conversion to tolerate more …

…cases

PiperOrigin-RevId: 766985694