docs(release): update changelog for the 2025-12-17 release (#15836)

Author: scotthart

CHANGELOG.md

@@ -4,7 +4,7 @@
 breaking changes in the upcoming 3.x release. This release is scheduled for
 2024-12 or 2025-01.
 
-## v2.45.0 - TBD
+## v2.45.0 - 2025-12-17
 
 ### New Libraries
 
@@ -13,6 +13,18 @@ the APIs in these libraries are stable, and are ready for production use.
 
 - [Cloud Maintenance API](/google/cloud/maintenance/README.md)
 
+### [Pubsub](google/cloud/pubsub/README.md)
+
+- fix(pubsub): impersonate sa credentials CompletionQueue lifetime ([#15833](https://github.com/googleapis/google-cloud-cpp/pull/15833))
+
+### [Storage](google/cloud/storage/README.md)
+
+- fix(storage): append object spec should only be set in the first request ([#15831](https://github.com/googleapis/google-cloud-cpp/pull/15831))
+
+### [Google APIs interface definitions](https://github.com/googleapis/googleapis)
+
+- This release is based on definitions as of [2025-12-11T12:53:16-08:00](https://github.com/googleapis/googleapis/tree/05f65958eb7f2a8bc59db87ad40487f0fb093097)
+
 ## v2.44.0 - 2025-12
 
 ### [BigQueryControl](google/cloud/bigquerycontrol/README.md)

CMakeLists.txt

@@ -23,7 +23,7 @@ project(
     google-cloud-cpp
     VERSION 2.45.0
     LANGUAGES CXX)
-set(PROJECT_VERSION_PRE_RELEASE "rc")
+set(PROJECT_VERSION_PRE_RELEASE "")
 
 if (NOT "${PROJECT_VERSION_PRE_RELEASE}" STREQUAL "")
     set(PROJECT_VERSION "${PROJECT_VERSION}-${PROJECT_VERSION_PRE_RELEASE}")

MODULE.bazel

@@ -16,7 +16,7 @@
 
 module(
     name = "google_cloud_cpp",
-    version = "2.45.0-rc",  # Updated by CMake
+    version = "2.45.0",  # Updated by CMake
     compatibility_level = 2,  # Updated by CMake
 )
 

google/cloud/internal/version_info.h

@@ -21,6 +21,6 @@
 #define GOOGLE_CLOUD_CPP_VERSION_MINOR 45
 // NOLINTNEXTLINE(modernize-macro-to-enum)
 #define GOOGLE_CLOUD_CPP_VERSION_PATCH 0
-#define GOOGLE_CLOUD_CPP_VERSION_PRE_RELEASE "rc"
+#define GOOGLE_CLOUD_CPP_VERSION_PRE_RELEASE ""
 
 #endif  // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_INTERNAL_VERSION_INFO_H