use simplexmq with TCP keep-alive instead of SMP PINGs (#457)

* use simplexmq with TCP keep-alive instead of SMP PINGs

* update simplexmq

* sha256nix

apps/ios/SimpleX.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,16 +1,14 @@
 {
-  "object": {
-    "pins": [
-      {
-        "package": "CodeScanner",
-        "repositoryURL": "https://github.com/twostraws/CodeScanner",
-        "state": {
-          "branch": null,
-          "revision": "c27a66149b7483fe42e2ec6aad61d5c3fffe522d",
-          "version": "2.1.1"
-        }
+  "pins" : [
+    {
+      "identity" : "codescanner",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/twostraws/CodeScanner",
+      "state" : {
+        "revision" : "c27a66149b7483fe42e2ec6aad61d5c3fffe522d",
+        "version" : "2.1.1"
       }
-    ]
-  },
-  "version": 1
+    }
+  ],
+  "version" : 2
 }

cabal.project

@@ -3,7 +3,7 @@ packages: .
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
-    tag: 5c6ec96d6477371d8e617bcc71e6ecbcdd5c78cc
+    tag: a37b24a8c2869cd932e7cc931ff7c46f5aa499cd
 
 source-repository-package
     type: git

sha256map.nix

@@ -1,5 +1,5 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."5c6ec96d6477371d8e617bcc71e6ecbcdd5c78cc" = "0qjmldlrxl5waqfbsckjhxkd3zn25bkbyqwf9l0r4gq3c7l6k358";
+  "https://github.com/simplex-chat/simplexmq.git"."a37b24a8c2869cd932e7cc931ff7c46f5aa499cd" = "0fbr5hizcgyq7qjzqwgr8zd09qzj031l8i7j7i6qsicrck80c2hn";
   "https://github.com/simplex-chat/aeson.git"."3eb66f9a68f103b5f1489382aad89f5712a64db7" = "0kilkx59fl6c3qy3kjczqvm8c3f4n3p0bdk9biyflf51ljnzp4yp";
   "https://github.com/simplex-chat/haskell-terminal.git"."f708b00009b54890172068f168bf98508ffcd495" = "0zmq7lmfsk8m340g47g5963yba7i88n4afa6z93sg9px5jv1mijj";
   "https://github.com/zw3rk/android-support.git"."3c3a5ab0b8b137a072c98d3d0937cbdc96918ddb" = "1r6jyxbim3dsvrmakqfyxbd6ms6miaghpbwyl0sr6dzwpgaprz97";