chore: 2.2.0 release

DeanChensj · copybara-github · commit 7ab188c0ac4b · 2026-06-08T16:01:02.000-07:00
Bump version to 2.2.0.

Co-authored-by: Shangjie Chen &lt;deanchen@google.com&gt;
PiperOrigin-RevId: 927500912
diff --git a/src/google/adk/version.py b/src/google/adk/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 
 # version: major.minor.patch
-__version__ = "2.0.0"
+__version__ = "2.2.0"
