docs(release): update changelog for the 2025-07 release (#15254)

Author: scotthart

CHANGELOG.md

@@ -4,7 +4,16 @@
 breaking changes in the upcoming 3.x release. This release is scheduled for
 2024-12 or 2025-01.
 
-## v2.39.0 - TBD
+## v2.39.0 - 2025-07
+
+### [Storage](/google/cloud/storage/README.md)
+
+- feat(storage): Link traces between Open and ReadRange traces. ([#15236](https://github.com/googleapis/google-cloud-cpp/pull/15236))
+- feat(storage): Add check for writeHandle before transforming write_object_spec to append_object_spec ([#15224])(https://github.com/googleapis/google-cloud-cpp/pull/15224))
+
+### [Google APIs interface definitions](https://github.com/googleapis/googleapis)
+
+- This release is based on definitions as of [2025-07-03T11:36:10-07:00](https://github.com/googleapis/googleapis/tree/f9d6fe4a6ad9ed89dfc315f284124d2104377940)
 
 ## v2.38.0 - 2025-06
 

CMakeLists.txt

@@ -23,7 +23,7 @@ project(
     google-cloud-cpp
     VERSION 2.39.0
     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 = "2.39.0-rc",  # Updated by CMake
+    version = "2.39.0",  # 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 39
 // 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