Merge pull request #1384 from rabbitmq/lukebakken/net462

Bump to net462

Author: michaelklishin

.ci/versions.json

@@ -1,4 +1,4 @@
 {
   "erlang": "26.0.2",
-  "rabbitmq": "3.12.2"
+  "rabbitmq": "3.12.4"
 }

projects/RabbitMQ.Client/RabbitMQ.Client.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net462;netstandard2.0</TargetFrameworks>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>