Fix approved files adding ShutdownTimeout

Author: mauroservienti

src/ServiceControlInstaller.Engine.UnitTests/ApprovalFiles/InstallationTests.Audit_install_should_write_expected_config_file.RavenDB.approved.txt

@@ -10,6 +10,7 @@
         <add key="ServiceControl.Audit/AuditRetentionPeriod" value="00:00:00" />
         <add key="ServiceControl.Audit/EnableFullTextSearchOnBodies"
             value="false" />
+        <add key="ServiceControl/ShutdownTimeout" value="00:02:00" />
         <add key="ServiceControl.Audit/DBPath" value="value-not-asserted" />
         <add key="ServiceControl.Audit/DatabaseMaintenancePort" value="33333" />
     </appSettings>

src/ServiceControlInstaller.Engine.UnitTests/ApprovalFiles/NewAuditInstanceTests.Should_install_modern_raven_for_new_instances.approved.txt

@@ -10,6 +10,7 @@
         <add key="ServiceControl.Audit/AuditRetentionPeriod" value="00:00:00" />
         <add key="ServiceControl.Audit/EnableFullTextSearchOnBodies"
             value="false" />
+        <add key="ServiceControl/ShutdownTimeout" value="00:02:00" />
         <add key="ServiceControl.Audit/DBPath" value="value-not-asserted" />
         <add key="ServiceControl.Audit/DatabaseMaintenancePort" value="33333" />
     </appSettings>