Update version to 2.49.0-dev (on master branch) (grpc#1849)

* bump version to 2.49

* Update VersionInfo.cs

Author: jtattermusch

build/version.props

@@ -2,13 +2,13 @@
   <PropertyGroup>
 
     <!-- package version of grpc-dotnet -->
-    <GrpcDotnetVersion>2.48.0-dev</GrpcDotnetVersion>
+    <GrpcDotnetVersion>2.49.0-dev</GrpcDotnetVersion>
 
     <!-- assembly version of grpc-dotnet -->
     <GrpcDotnetAssemblyVersion>2.0.0.0</GrpcDotnetAssemblyVersion>
 
     <!-- file version of all grpc-dotnet -->
-    <GrpcDotnetAssemblyFileVersion>2.48.0.0</GrpcDotnetAssemblyFileVersion>
+    <GrpcDotnetAssemblyFileVersion>2.49.0.0</GrpcDotnetAssemblyFileVersion>
 
   </PropertyGroup>
 </Project>

src/Grpc.Core.Api/VersionInfo.cs

@@ -36,11 +36,11 @@ public static class VersionInfo
         /// <summary>
         /// Current <c>AssemblyFileVersion</c> of gRPC C# assemblies
         /// </summary>
-        public const string CurrentAssemblyFileVersion = "2.48.0.0";
+        public const string CurrentAssemblyFileVersion = "2.49.0.0";
 
         /// <summary>
         /// Current version of gRPC C#
         /// </summary>
-        public const string CurrentVersion = "2.48.0-dev";
+        public const string CurrentVersion = "2.49.0-dev";
     }
 }