chore: merge release v1.27.4 to main

Merge #4990

Syncs version bump and CHANGELOG from release v1.27.4 to main.

COPYBARA_INTEGRATE_REVIEW=#4990 from google:release/v1.27.4 71982f2
PiperOrigin-RevId: 888928449

Author: Jacksunwei

.github/.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.27.2"
+  ".": "1.27.4"
 }

.github/release-please-config.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
-  "last-release-sha": "7b94a767337e0d642e808734608f07a70e077c62",
+  "last-release-sha": "066fcec3e8e669d1c5360e1556afce3f7e068072",
   "packages": {
     ".": {
       "release-type": "python",

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## [1.27.4](https://github.com/google/adk-python/compare/v1.27.3...v1.27.4) (2026-03-24)
+### Bug Fixes
+
+* Exclude compromised LiteLLM versions from dependencies pin to 1.82.6 ([fa5e707](https://github.com/google/adk-python/commit/fa5e707c11ad748e7db2f653b526d9bdc4b7d405))
+* gate builder endpoints behind web flag ([44b3f72](https://github.com/google/adk-python/commit/44b3f72d8f4ee09461d0acd8816149e801260b84))
+
+## [1.27.3](https://github.com/google/adk-python/compare/v1.27.2...v1.27.3) (2026-03-23)
+### Bug Fixes
+  * add protection for arbitrary module imports ([276adfb](https://github.com/google/adk-python/commit/276adfb7ad552213c0201a3c95efbc9876bf3b66))
+
 ## [1.27.2](https://github.com/google/adk-python/compare/v1.27.1...v1.27.2) (2026-03-17)
 ### Bug Fixes
   * Use valid dataplex OAuth scope for BigQueryToolset ([4010716](https://github.com/google/adk-python/commit/4010716470fc83918dc367c5971342ff551401c8))

src/google/adk/version.py

@@ -13,4 +13,4 @@
 # limitations under the License.
 
 # version: major.minor.patch
-__version__ = "1.27.2"
+__version__ = "1.27.4"