docs(release): update changelog for 11-2023 release (#13012)

Author: alevenberg

CHANGELOG.md

@@ -4,7 +4,7 @@
 breaking changes in the upcoming 3.x release. This release is scheduled for
 2024-12 or 2025-01.
 
-## v2.18.0 - TBD
+## v2.18.0 - 2023-11
 
 ### New Libraries
 
@@ -22,6 +22,30 @@ the APIs in these libraries are stable, and are ready for production use.
 
 New `CloudRedisClusterClient`.
 
+### [OpenTelemetry](/google/cloud/opentelemetry/README.md)
+
+- doc(otel): add packaging instructions
+  ([#13005](https://github.com/googleapis/google-cloud-cpp/pull/13005))
+- fix(otel): end async client spans properly
+  ([#12919](https://github.com/googleapis/google-cloud-cpp/pull/12919))
+- fix(otel): support abseil \<= 20210324
+  ([#12993](https://github.com/googleapis/google-cloud-cpp/pull/12993))
+-
+
+### [Spanner](/google/cloud/spanner/README.md)
+
+- feat(spanner): single-RPC, batched commit of mutation groups
+  ([#12930](https://github.com/googleapis/google-cloud-cpp/pull/12930))
+
+### [Common Libraries](/google/cloud/README.md)
+
+- feat(common): mock for `AsyncStreamingReadWriteRpc`
+  ([#12950](https://github.com/googleapis/google-cloud-cpp/pull/12950))
+- fix(common): missed using `CARootsFilePathOption`
+  ([#12997](https://github.com/googleapis/google-cloud-cpp/pull/12997))
+- fix(generator): do not override default sleeper in streaming-read RPCs
+  ([#12920](https://github.com/googleapis/google-cloud-cpp/pull/12920))
+
 ### Other Changes
 
 - fix(oauth2): only enable via `GOOGLE_CLOUD_CPP_ENABLE`

CMakeLists.txt

@@ -23,7 +23,7 @@ project(
     google-cloud-cpp
     VERSION 2.18.0
     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}")

google/cloud/internal/version_info.h

@@ -21,6 +21,6 @@
 #define GOOGLE_CLOUD_CPP_VERSION_MINOR 18
 // 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