Upgrade SDK Version to 0.12 (#156)

## Description of Changes
*Describe what has been changed, any new features or bug fixes*

- Upgrade version to 0.12.

## API

 - [ ] This is an API breaking change to the SDK

*If the API is breaking, please state below what will break*


## Requires SpacetimeDB PRs
*List any PRs here that are required for this SDK change to work*

Co-authored-by: John Detter <[email protected]>

Author: jdetter

sdks/csharp/SpacetimeDB.ClientSDK.csproj

@@ -15,7 +15,7 @@
     <PackageProjectUrl>https://spacetimedb.com</PackageProjectUrl>
     <PackageIcon>logo.png</PackageIcon>
     <PackageReadmeFile>README.md</PackageReadmeFile>
-    <RepositoryUrl>https://github.com/clockworklabs/spacetimedb-csharp-sdk</RepositoryUrl>
+    <RepositoryUrl>https://github.com/clockworklabs/com.clockworklabs.spacetimedbsdk</RepositoryUrl>
     <AssemblyVersion>0.12.0</AssemblyVersion>
     <Version>$(AssemblyVersion)</Version>
     <DefaultItemExcludes>$(DefaultItemExcludes);*~/**</DefaultItemExcludes>

sdks/csharp/package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.clockworklabs.spacetimedbsdk",
   "displayName": "SpacetimeDB SDK",
-  "version": "0.11.0",
+  "version": "0.12.0",
   "description": "The SpacetimeDB Client SDK is a software development kit (SDK) designed to interact with and manipulate SpacetimeDB modules..",
   "keywords": [],
   "author": {