chore: bump version for both dotnet libs

Author: olavloite

spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib.Native/Google.Cloud.SpannerLib.Native.csproj

@@ -8,7 +8,7 @@
     <PackageId>Experimental.SpannerLib.Native</PackageId>
     <Title>Experimental native library for Spanner</Title>
     <Authors />
-    <Version>1.0.4</Version>
+    <Version>1.0.5</Version>
   </PropertyGroup>
 
   <ItemGroup>

spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib/Google.Cloud.SpannerLib.csproj

@@ -8,7 +8,7 @@
     <Authors></Authors>
     <Description>Experimental .NET library for Spanner</Description>
     <PackageId>Experimental.SpannerLib</PackageId>
-    <Version>1.0.3</Version>
+    <Version>1.0.5</Version>
   </PropertyGroup>
 
   <ItemGroup>