Updating targeting to 4.7.1 and forcing TLS 1.2

Author: dbrownems

samples/features/sql-clr/Curl/Curl.cs

@@ -9,10 +9,16 @@
 /// </summary>
 public partial class Curl
 {
+    static Curl()
+    {
+        ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
+    }
+
     [SqlFunction]
     [return: SqlFacet(MaxSize = -1)]
     public static SqlChars Get(SqlChars H, SqlChars url)
     {
+
         var client = new WebClient();
         AddHeader(H, client);
         return new SqlChars(
@@ -24,6 +30,7 @@ public static SqlChars Get(SqlChars H, SqlChars url)
     [SqlProcedure]
     public static void Post(SqlChars H, SqlChars d, SqlChars url)
     {
+
         var client = new WebClient();
         AddHeader(H, client);
         if (d.IsNull)
@@ -39,6 +46,7 @@ public static void Post(SqlChars H, SqlChars d, SqlChars url)
     [SqlProcedure]
     public static void PostWithRetry(SqlChars H, SqlChars d, SqlChars url)
     {
+
         var client = new WebClient();
         AddHeader(H, client);
         if (d.IsNull)

samples/features/sql-clr/Curl/SqlClrCurl.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>SqlClr</RootNamespace>
     <AssemblyName>SqlClrCurl</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>