Update Postgres clients we test (#3359)

Update client libraries and runtimes for Postgres libraries we test.
- `pg8000` works with Neon now 🎉 
- `PostgresClientKit` still doesn't support SNI

test_runner/pg_clients/swift/PostgresClientKitExample/Dockerfile

@@ -1,11 +1,11 @@
-FROM swift:5.6 AS build
+FROM swift:5.7 AS build
 RUN apt-get -q update && apt-get -q install -y libssl-dev
 WORKDIR /source
 
 COPY . .
 RUN swift build --configuration release
 
-FROM swift:5.6
+FROM swift:5.7
 WORKDIR /app
-COPY --from=build /source/.build/release/release .
+COPY --from=build /source/.build/release .
 CMD ["/app/PostgresClientKitExample"]

test_runner/pg_clients/swift/PostgresClientKitExample/Package.resolved

@@ -3,19 +3,28 @@
     {
       "identity" : "bluesocket",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/IBM-Swift/BlueSocket.git",
+      "location" : "https://github.com/Kitura/BlueSocket.git",
       "state" : {
-        "revision" : "dd924c3bc2c1c144c42b8dda3896f1a03115ded4",
-        "version" : "2.0.2"
+        "revision" : "7b23a867008e0027bfd6f4d398d44720707bc8ca",
+        "version" : "2.0.4"
       }
     },
     {
       "identity" : "bluesslservice",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/IBM-Swift/BlueSSLService",
+      "location" : "https://github.com/Kitura/BlueSSLService",
       "state" : {
-        "revision" : "c249988fb748749739144e7f554710552acdc0bd",
-        "version" : "2.0.1"
+        "revision" : "b27a94d063962dfa1bba9f79814c4ef202cf33a4",
+        "version" : "2.0.2"
+      }
+    },
+    {
+      "identity" : "openssl",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Kitura/OpenSSL.git",
+      "state" : {
+        "revision" : "5dc8cb4f971135c17343e3c6df4f28904a0600e2",
+        "version" : "2.3.1"
       }
     },
     {
@@ -23,17 +32,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/codewinsdotcom/PostgresClientKit.git",
       "state" : {
-        "branch" : "v1.4.3",
-        "revision" : "beafedaea6dc9f04712e9a8547b77f47c406a47e"
-      }
-    },
-    {
-      "identity" : "swift-argument-parser",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-argument-parser",
-      "state" : {
-        "revision" : "6b2aa2748a7881eebb9f84fb10c01293e15b52ca",
-        "version" : "0.5.0"
+        "branch" : "v1.5.0",
+        "revision" : "356ffe0c43722f192d796300557b3b530a0baebc"
       }
     }
   ],

test_runner/pg_clients/swift/PostgresClientKitExample/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.6
+// swift-tools-version:5.7
 import PackageDescription
 
 let package = Package(
@@ -6,11 +6,11 @@ let package = Package(
     dependencies: [
         .package(
             url: "https://github.com/codewinsdotcom/PostgresClientKit.git",
-            revision: "v1.4.3"
+            revision: "v1.5.0"
         )
     ],
     targets: [
-        .target(
+        .executableTarget(
             name: "PostgresClientKitExample",
             dependencies: [ "PostgresClientKit" ])
     ]

test_runner/pg_clients/swift/PostgresClientKitExample/Sources/PostgresClientKitExample/main.swift

@@ -16,7 +16,7 @@ do {
         configuration.user = user
     }
     if let password = env["NEON_PASSWORD"] {
-        configuration.credential = .scramSHA256(password: password)
+        configuration.credential = .cleartextPassword(password: password)
     }
 
     let connection = try PostgresClientKit.Connection(configuration: configuration)