chore(deps): Bump the aspnet group with 1 update (#106)

Bumps Microsoft.AspNetCore.SignalR from 1.2.0 to 1.2.9

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.SignalR
  dependency-version: 1.2.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: aspnet
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

AIManagerCore/src/AIManager.API/AIManager.API.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.2.9" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="10.1.0" />
   </ItemGroup>