[.NET] Bump versions for 5/19/2026 release (#1338)

## Services

- Fix how ADR client uses telemetry codegen layer (#1329)

## Connector

- Fix bug where updating an asset would not cancel previously invoked
'WhileAssetIsAvailable' callback (#1323)

Author: timtay-microsoft

dotnet/src/Azure.Iot.Operations.Connector/Azure.Iot.Operations.Connector.csproj

@@ -7,7 +7,7 @@
     <LicenseUrl>https://github.com/Azure/iot-operations-sdks/blob/main/LICENSE</LicenseUrl>
     <copyright>© Microsoft Corporation. All rights reserved.</copyright>
     <Authors>Microsoft</Authors>
-    <VersionPrefix>1.1.0</VersionPrefix>
+    <VersionPrefix>1.1.1</VersionPrefix>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <PackageReadmeFile>README.md</PackageReadmeFile>

dotnet/src/Azure.Iot.Operations.Services/Azure.Iot.Operations.Services.csproj

@@ -6,7 +6,7 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <copyright>© Microsoft Corporation. All rights reserved.</copyright>
     <Authors>Microsoft</Authors>
-    <VersionPrefix>1.2.0</VersionPrefix>
+    <VersionPrefix>1.2.1</VersionPrefix>
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
     <PackageReadmeFile>README.md</PackageReadmeFile>