Bump mmm-proto-schema to 1.1.2

PiperOrigin-RevId: 877511777

Author: ronellecaguioa

proto/CHANGELOG.md

@@ -23,6 +23,11 @@ To release a new version (e.g. from `1.0.0` -> `2.0.0`):
 
 ## [Unreleased]
 
+## [1.1.2] - 2026-03-02
+
+* Add population_value field to GeoInfo Proto
+* Add ComputationBackend proto to Meridian
+
 ## [1.1.1] - 2025-12-22
 
 * Add field to record ArviZ version in meridian_model proto definition.
@@ -40,4 +45,5 @@ To release a new version (e.g. from `1.0.0` -> `2.0.0`):
 [1.0.0]: https://github.com/google/meridian/releases/tag/proto-v1.0.0
 [1.1.0]: https://github.com/google/meridian/releases/tag/proto-v1.1.0
 [1.1.1]: https://github.com/google/meridian/releases/tag/proto-v1.1.1
-[Unreleased]: https://github.com/google/meridian/compare/proto-v1.1.1...HEAD
+[1.1.2]: https://github.com/google/meridian/releases/tag/proto-v1.1.2
+[Unreleased]: https://github.com/google/meridian/compare/proto-v1.1.2...HEAD

proto/pyproject.toml

@@ -21,7 +21,7 @@ keywords = [
   "protobuf",
 ]
 
-version = "1.1.1"
+version = "1.1.2"
 
 dependencies = [
   "googleapis-common-protos",