Update DurableTask.AzureStorage.csproj (#1233)

Author: nytian

src/DurableTask.AzureStorage/DurableTask.AzureStorage.csproj

@@ -21,7 +21,7 @@
   <!-- Version Info -->
   <PropertyGroup>
     <MajorVersion>2</MajorVersion>
-    <MinorVersion>3</MinorVersion>
+    <MinorVersion>4</MinorVersion>
     <PatchVersion>0</PatchVersion>
     <VersionPrefix>$(MajorVersion).$(MinorVersion).$(PatchVersion)</VersionPrefix>
     <FileVersion>$(VersionPrefix).0</FileVersion>