doc: update CHANGELOG for v2.8.0 (#10979)

Author: devbww

CHANGELOG.md

@@ -116,7 +116,7 @@ may elicit a deprecation warning. See [#9086] for more details.
 
 </details>
 
-## v2.8.0 - TBD
+## v2.8.0 - 2023-03
 
 ### New Libraries
 
@@ -127,10 +127,24 @@ the APIs in these libraries are stable, and are ready for production use.
 - [Alloy DB](/google/cloud/alloydb/README.md)
 - [API Keys](/google/cloud/apikeys/README.md)
 
+### [Bigtable](/google/cloud/bigtable/README.md)
+
+- fix(bigtable): retries for CheckConsistency / AsyncWaitForConsistency ([#10955](https://github.com/googleapis/google-cloud-cpp/pull/10955))
+- docs(bigtable): clean up CreateTable sample ([#10844](https://github.com/googleapis/google-cloud-cpp/pull/10844))
+
+### [Data Catalog](/google/cloud/datacatalog/README.md)
+
+- feat(datacatalog): generate lineage library ([#10977](https://github.com/googleapis/google-cloud-cpp/pull/10977))
+
 ### [KMS](/google/cloud/kms/README.md)
 
 The library has been expanded to include the KMS Inventory API.
 
+### [Pub/Sub](/google/cloud/pubsub/README.md)
+
+- fix(pubsub): no warnings on `ack()/nack()` success ([#10920](https://github.com/googleapis/google-cloud-cpp/pull/10920))
+- fix(pubsub): fewer default threads for 32-bit builds ([#10793](https://github.com/googleapis/google-cloud-cpp/pull/10793))
+
 ### [TPU](/google/cloud/tpu/README.md)
 
 The library has been expanded to include the TPU v2 API.
@@ -143,6 +157,10 @@ support clients for multiple versions of a GCP service from within the same
 library (e.g. `speech_v1::SpeechClient` and `speech_v2::SpeechClient`). See
 [#10170] for more details.
 
+- fix: retries for GetIamPolicy, TestIamPermissions ([#10957](https://github.com/googleapis/google-cloud-cpp/pull/10957))
+- doc: improve description for "terminate" group ([#10950](https://github.com/googleapis/google-cloud-cpp/pull/10950))
+- fix(common): fewer spurious warnings in the log ([#10811](https://github.com/googleapis/google-cloud-cpp/pull/10811))
+
 ## v2.7.0 - 2023-02
 
 ### New Libraries

CMakeLists.txt

@@ -23,7 +23,7 @@ project(
     google-cloud-cpp
     VERSION 2.8.0
     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 8
 // 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