Bump versions: SDK 6.1.1, App 1.9.1

SDK 6.1.1:
- Changed clock sync telemetry from Information to Debug log level
- Reduces log noise in production environments

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: chrisuthe

src/Sendspin.SDK/Sendspin.SDK.csproj

@@ -8,7 +8,7 @@
 
     <!-- NuGet Package Metadata -->
     <PackageId>Sendspin.SDK</PackageId>
-    <Version>6.1.0</Version>
+    <Version>6.1.1</Version>
     <Authors>Sendspin Contributors</Authors>
     <Company>Sendspin</Company>
     <Product>Sendspin SDK</Product>
@@ -20,6 +20,10 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <PackageReleaseNotes>
+v6.1.1 - Logging Improvements:
+- Changed clock sync telemetry from Information to Debug log level
+- Reduces log noise in production environments (offset/drift measurements are internal details)
+
 v6.1.0 - Track End State Fix:
 
 Bug Fixes:

src/SendspinClient/SendspinClient.csproj

@@ -10,7 +10,7 @@
     <ApplicationIcon>Resources\Icons\sendspinTray.ico</ApplicationIcon>
 
     <!-- Version info - set via -p:Version= during CI builds -->
-    <Version>1.9.0</Version>
+    <Version>1.9.1</Version>
     <!--
       AssemblyVersion/FileVersion must be purely numeric (major.minor.build.revision).
       For prerelease versions like "0.0.0-dev.xxx", we need separate numeric versions.