Bump Sentry to 3.21.0

src/NzbDrone.Common/Prowlarr.Common.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NLog" Version="5.0.1" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.0.0" />
-    <PackageReference Include="Sentry" Version="3.19.0" />
+    <PackageReference Include="Sentry" Version="3.21.0" />
     <PackageReference Include="NLog.Targets.Syslog" Version="7.0.0" />
     <PackageReference Include="SharpZipLib" Version="1.3.3" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />