LibTLS: Add OutOfMemory error that will send an InternalError alert

Author: https://github.com/msvisser
Commit: ab84aa6fb2
Pull-request: https://github.com/SerenityOS/serenity/pull/12629
Reviewed-by: https://github.com/alimpfard

Userland/Libraries/LibTLS/Handshake.cpp

@@ -473,7 +473,8 @@ ssize_t TLSv12::handle_handshake_payload(ReadonlyBytes vbuffer)
                 write_packet(packet);
                 break;
             }
-            case Error::NotUnderstood: {
+            case Error::NotUnderstood:
+            case Error::OutOfMemory: {
                 auto packet = build_alert(true, (u8)AlertDescription::InternalError);
                 write_packet(packet);
                 break;