elmPackages.elm: Fix runtime TLS connection to package.elm-lang.org

Resolves NixOS#414208 by downgrading version of TLS library
used to compile executables.

See upstream issue for more context elm/compiler#2325

Author: turboMaCk

pkgs/development/compilers/elm/packages/ghc9_6/default.nix

@@ -38,6 +38,10 @@ pkgs.haskell.packages.ghc96.override {
 
         inherit fetchElmDeps;
         elmVersion = elmPkgs.elm.version;
+
+        # Fix TLS issues
+        # see https://github.com/elm/compiler/pull/2325
+        tls = self.callPackage ./tls-1.9.0.nix { };
       };
     in
     elmPkgs

pkgs/development/compilers/elm/packages/ghc9_6/tls-1.9.0.nix

@@ -0,0 +1,29 @@
+{ mkDerivation, asn1-encoding, asn1-types, async, base, bytestring
+, cereal, crypton, crypton-x509, crypton-x509-store
+, crypton-x509-validation, data-default-class, gauge, hourglass
+, lib, memory, mtl, network, QuickCheck, tasty, tasty-quickcheck
+, transformers, unix-time
+}:
+mkDerivation {
+  pname = "tls";
+  version = "1.9.0";
+  sha256 = "5605b9cbe0903b100e9de72800641453f74bf5dade6176dbe10b34ac9353433e";
+  libraryHaskellDepends = [
+    asn1-encoding asn1-types async base bytestring cereal crypton
+    crypton-x509 crypton-x509-store crypton-x509-validation
+    data-default-class memory mtl network transformers unix-time
+  ];
+  testHaskellDepends = [
+    asn1-types async base bytestring crypton crypton-x509
+    crypton-x509-validation data-default-class hourglass QuickCheck
+    tasty tasty-quickcheck
+  ];
+  benchmarkHaskellDepends = [
+    asn1-types async base bytestring crypton crypton-x509
+    crypton-x509-validation data-default-class gauge hourglass
+    QuickCheck tasty-quickcheck
+  ];
+  homepage = "https://github.com/haskell-tls/hs-tls";
+  description = "TLS/SSL protocol native implementation (Server and Client)";
+  license = lib.licenses.bsd3;
+}