Bump System.Net.Http in /App/src/Events-Tenant.Common

Bumps System.Net.Http from 4.3.0 to 4.3.4.

---
updated-dependencies:
- dependency-name: System.Net.Http
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

App/src/Events-Tenant.Common/packages.config

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="EntityFramework" version="6.1.3" targetFramework="net452" />
   <package id="Microsoft.EntityFrameworkCore" version="1.1.1" targetFramework="net452" />
@@ -27,7 +27,7 @@
   <package id="System.Linq" version="4.3.0" targetFramework="net452" />
   <package id="System.Linq.Expressions" version="4.3.0" targetFramework="net452" />
   <package id="System.Linq.Queryable" version="4.0.1" targetFramework="net452" />
-  <package id="System.Net.Http" version="4.3.0" targetFramework="net452" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net452" />
   <package id="System.Net.Primitives" version="4.3.0" targetFramework="net452" />
   <package id="System.ObjectModel" version="4.3.0" targetFramework="net452" />
   <package id="System.Reflection" version="4.3.0" targetFramework="net452" />