[Release] Bump core version to 51.0.0 for upcoming release (grpc#40784)

Change was created by the release automation script. See go/grpc-release.

Closes grpc#40784

COPYBARA_INTEGRATE_REVIEW=grpc#40784 from sergiitk:bump_core_version_202509261632 a045f36
PiperOrigin-RevId: 812854454

Author: sergiitk

BUILD

@@ -265,7 +265,7 @@ python_config_settings()
 # This should be updated along with build_handwritten.yaml
 g_stands_for = "genuine"  # @unused
 
-core_version = "50.0.0"  # @unused
+core_version = "51.0.0"  # @unused
 
 version = "1.76.0-dev"  # @unused
 

CMakeLists.txt

@@ -13,5 +13,5 @@
 # limitations under the License.
 
 module GrpcBuildConfig
-  CORE_WINDOWS_DLL = '/tmp/libs/opt/grpc-50.dll'
+  CORE_WINDOWS_DLL = '/tmp/libs/opt/grpc-51.dll'
 end

Makefile

@@ -12,7 +12,7 @@ settings:
   '#08': Use "-preN" suffixes to identify pre-release versions
   '#09': Per-language overrides are possible with (eg) ruby_version tag here
   '#10': See the expand_version.py for all the quirks here
-  core_version: 50.0.0
+  core_version: 51.0.0
   csharp_major_version: 2
   g_stands_for: genuine
   protobuf_version: 4.31.1

build_config.rb

@@ -22,6 +22,6 @@
 #include <grpc/grpc.h>
 #include <grpc/support/port_platform.h>
 
-const char* grpc_version_string(void) { return "50.0.0"; }
+const char* grpc_version_string(void) { return "51.0.0"; }
 
 const char* grpc_g_stands_for(void) { return "genuine"; }

build_handwritten.yaml

@@ -23,4 +23,4 @@
 // `tools/buildgen/generate_projects.sh`.
 
 #define GRPC_OBJC_VERSION_STRING @"1.76.0-dev"
-#define GRPC_C_VERSION_STRING @"50.0.0"
+#define GRPC_C_VERSION_STRING @"51.0.0"