chore(release/v2-candidate): release 2.0.0-alpha.2 (#5017)

Author: Jacksunwei

.github/.release-please-manifest-v2.json

@@ -1,3 +1,3 @@
 {
-  ".": "2.0.0-alpha.1"
+  ".": "2.0.0-alpha.2"
 }

CHANGELOG-v2.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## [2.0.0-alpha.2](https://github.com/google/adk-python/compare/v2.0.0-alpha.1...v2.0.0-alpha.2) (2026-03-26)
+
+
+### Bug Fixes
+
+* add agent name validation to prevent arbitrary module imports ([be094f7](https://github.com/google/adk-python/commit/be094f7e50e3976cb69468c7a8d17f3385132c41))
+* add protection for arbitrary module imports ([0019801](https://github.com/google/adk-python/commit/0019801f6080a371a71b09cbd8291f2e79a49336)), closes [#4947](https://github.com/google/adk-python/issues/4947)
+* Default to ClusterIP so GKE deployment isn't publicly exposed by default ([27aed23](https://github.com/google/adk-python/commit/27aed23edddcc8c69c4c4563198c8570aa40743e))
+* enforce allowed file extensions for GET requests in the builder API ([68ece4e](https://github.com/google/adk-python/commit/68ece4e04fb3829e61847dae123cf4bc79a0a4c2))
+* Exclude compromised LiteLLM versions from dependencies pin to 1.82.6 ([79ed953](https://github.com/google/adk-python/commit/79ed95383dd0bc13984b6499913babef232d4dab))
+* gate builder endpoints behind web flag ([584283e](https://github.com/google/adk-python/commit/584283e2d8209af9db719fdeae506892d4a44ca2))
+* Update eval extras to Vertex SDK package version with constrained LiteLLM upperbound ([a86d0aa](https://github.com/google/adk-python/commit/a86d0aa7d70d1c70346eceef591d255ed96711c8))
+
 ## [2.0.0-alpha.1](https://github.com/google/adk-python/compare/v2.0.0-alpha.0...v2.0.0-alpha.1) (2026-03-18)
 
 ### Features