Update to match FluentKit's declared version minimums (vapor#204)

Author: gwynne

Package.swift

@@ -1,10 +1,12 @@
-// swift-tools-version:5.5
+// swift-tools-version:5.5.2
 import PackageDescription
 
 let package = Package(
     name: "fluent-postgres-driver",
     platforms: [
-       .macOS(.v10_15)
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .watchOS(.v6)
     ],
     products: [
         .library(name: "FluentPostgresDriver", targets: ["FluentPostgresDriver"]),

Sources/FluentPostgresDriver/FluentPostgresConfiguration.swift

@@ -1,13 +1,16 @@
 import Logging
 import FluentKit
+import AsyncKit
 import NIOCore
+import NIOSSL
+import Foundation
 import PostgresKit
 
 extension DatabaseConfigurationFactory {
     public static func postgres(
         url urlString: String,
         maxConnectionsPerEventLoop: Int = 1,
-        connectionPoolTimeout: NIO.TimeAmount = .seconds(10),
+        connectionPoolTimeout: TimeAmount = .seconds(10),
         encoder: PostgresDataEncoder = .init(),
         decoder: PostgresDataDecoder = .init(),
         sqlLogLevel: Logger.Level = .debug
@@ -28,7 +31,7 @@ extension DatabaseConfigurationFactory {
     public static func postgres(
         url: URL,
         maxConnectionsPerEventLoop: Int = 1,
-        connectionPoolTimeout: NIO.TimeAmount = .seconds(10),
+        connectionPoolTimeout: TimeAmount = .seconds(10),
         encoder: PostgresDataEncoder = .init(),
         decoder: PostgresDataDecoder = .init(),
         sqlLogLevel: Logger.Level = .debug
@@ -52,7 +55,7 @@ extension DatabaseConfigurationFactory {
         database: String? = nil,
         tlsConfiguration: TLSConfiguration? = nil,
         maxConnectionsPerEventLoop: Int = 1,
-        connectionPoolTimeout: NIO.TimeAmount = .seconds(10),
+        connectionPoolTimeout: TimeAmount = .seconds(10),
         encoder: PostgresDataEncoder = .init(),
         decoder: PostgresDataDecoder = .init(),
         sqlLogLevel: Logger.Level = .debug
@@ -75,7 +78,7 @@ extension DatabaseConfigurationFactory {
     public static func postgres(
         configuration: PostgresConfiguration,
         maxConnectionsPerEventLoop: Int = 1,
-        connectionPoolTimeout: NIO.TimeAmount = .seconds(10),
+        connectionPoolTimeout: TimeAmount = .seconds(10),
         encoder: PostgresDataEncoder = .init(),
         decoder: PostgresDataDecoder = .init(),
         sqlLogLevel: Logger.Level = .debug
@@ -100,7 +103,7 @@ struct FluentPostgresConfiguration: DatabaseConfiguration {
     let maxConnectionsPerEventLoop: Int
     /// The amount of time to wait for a connection from
     /// the connection pool before timing out.
-    let connectionPoolTimeout: NIO.TimeAmount
+    let connectionPoolTimeout: TimeAmount
     let encoder: PostgresDataEncoder
     let decoder: PostgresDataDecoder
     let sqlLogLevel: Logger.Level

Sources/FluentPostgresDriver/FluentPostgresDatabase.swift

@@ -2,6 +2,7 @@ import FluentKit
 import FluentSQL
 import Logging
 import PostgresKit
+import PostgresNIO
 import SQLKit
 
 struct _FluentPostgresDatabase {

Sources/FluentPostgresDriver/FluentPostgresDriver.swift

@@ -1,3 +1,5 @@
+import AsyncKit
+import NIOCore
 import Logging
 import FluentKit
 import PostgresKit

Sources/FluentPostgresDriver/PostgresError+Database.swift

@@ -1,6 +1,7 @@
 import FluentKit
 import FluentSQL
 import PostgresKit
+import PostgresNIO
 
 extension PostgresError: DatabaseError {
     public var isSyntaxError: Bool {

Sources/FluentPostgresDriver/PostgresRow+Database.swift

@@ -1,5 +1,7 @@
+import PostgresNIO
 import PostgresKit
 import FluentKit
+import SQLKit
 
 extension PostgresRow {
     internal func databaseOutput(using decoder: PostgresDataDecoder) -> DatabaseOutput {