PATCH: Bumped up DotNet connector PATCH version from 2.1.4 to 2.1.5 (#837)

### Description
PATCH: Bumped up DotNet connector PATCH version from 2.1.4 to 2.1.5

### Checklist
- [x] Code compiles correctly
- [x] Code is formatted according to [Coding
Conventions](../CodingConventions.md)
- [x] Created tests which fail without the change (if possible)
- [x] All tests passing (`dotnet test`)
- [x] Extended the README / documentation, if necessary
- [x] Provide JIRA issue id (if possible) or GitHub issue id in PR name

Co-authored-by: Jenkins User <snowflake-provisioner>

Author: sfc-gh-knozderko

Snowflake.Data/Snowflake.Data.csproj

@@ -13,7 +13,7 @@
     <Product>Snowflake Connector for .NET</Product>
     <Authors>howryu, tchen</Authors>
     <Copyright>Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.</Copyright>
-    <Version>2.1.4</Version>
+    <Version>2.1.5</Version>
     <DebugType>Full</DebugType>
     <LangVersion>7.3</LangVersion>
   </PropertyGroup>