[c#] Update NuGet package copyright

cs/nuget/bond.comm.csharp.nuspec

@@ -18,7 +18,7 @@
 
             This package contains the full Bond C# communications library.
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# RPC messaging network communication</tags>
         <dependencies>
             <dependency id="Bond.CSharp" version ="[$coreversion$]" />

cs/nuget/bond.comm.epoxy.csharp.nuspec

@@ -18,7 +18,7 @@
 
             This package contains the Bond C# Epoxy transport library.
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# RPC messaging network communication</tags>
         <dependencies>
             <dependency id="Bond.Comm.Runtime.CSharp" version ="[$version$]" />

cs/nuget/bond.comm.runtime.csharp.nuspec

@@ -18,7 +18,7 @@
 
             This package contains the Bond runtime assemblies for the communications library. The full Bond C# communications distribution is in the Bond.Comm.CSharp package.
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# RPC messaging network communication</tags>
         <dependencies>
             <dependency id="Bond.Core.CSharp" version ="[$coreversion$]" />

cs/nuget/bond.compiler.csharp.nuspec

@@ -18,7 +18,7 @@
 
       Bond is published on GitHub at https://github.com/Microsoft/bond/
     </description>
-    <copyright>Copyright (c) Microsoft</copyright>
+    <copyright>© Microsoft Corporation. All rights reserved.</copyright>
     <tags>Bond .NET C# serialization</tags>
   </metadata>
   <files>

cs/nuget/bond.compiler.nuspec

@@ -20,7 +20,7 @@
 
             The Compiler documentation is available at https://microsoft.github.io/bond/manual/compiler.html
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# serialization</tags>
     </metadata>
     <files>

cs/nuget/bond.core.csharp.nuspec

@@ -20,7 +20,7 @@
 
             This package contains the core Bond runtime assemblies that don't depend on any other Nuget packages. The full Bond C# distribution is in the Bond.CSharp package and the full runtime in Bond.Runtime.CSharp.
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# serialization</tags>
     </metadata>
     <files>

cs/nuget/bond.csharp.nuspec

@@ -20,7 +20,7 @@
 
             This package rolls up the other Bond C# packages and includes the code generator (gbc) and MSBuild targets. If you need finer control of dependencies (e.g., excluding Bond's JSON support to get rid of a NewtonSoft.JSON dependency), you'll need to add the smaller packages individually.
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# serialization</tags>
         <dependencies>
             <dependency id="Bond.Core.CSharp" version ="[$version$]" />

cs/nuget/bond.grpc.csharp.nuspec

@@ -20,7 +20,7 @@
 
           The C# documentation is available at https://microsoft.github.io/bond/manual/bond_cs.html
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# serialization grpc RPC messaging</tags>
         <dependencies>
             <dependency id="Bond.Core.CSharp" version ="[$version$] "/>

cs/nuget/bond.runtime.csharp.nuspec

@@ -20,7 +20,7 @@
 
             This package contains Bond runtime assemblies and can be specified as a dependency for other NuGet packages using Bond. The full Bond C# distribution is in the Bond.CSharp package.
         </description>
-        <copyright>Copyright (c) Microsoft</copyright>
+        <copyright>© Microsoft Corporation. All rights reserved.</copyright>
         <tags>Bond .NET C# serialization</tags>
         <dependencies>
             <dependency id="Newtonsoft.Json" version="9.0.1" />