Swapped the MySQL package dependencies for PostgreSQL in Persistence package.

Packages/Persistence/Package.swift

@@ -21,8 +21,8 @@ let package = Package(
             from: "2.0.0"
         ),
         .package(
-            url: "https://github.com/vapor/fluent-mysql-driver.git",
-            from: "4.8.0"
+            url: "https://github.com/vapor/fluent-postgres-driver.git",
+            from: "2.12.0"
         ),
         .package(
             url: "https://github.com/vapor/fluent-sqlite-driver.git",
@@ -33,12 +33,16 @@ let package = Package(
             from: "3.36.0"
         ),
         .package(
-            url: "https://github.com/vapor/mysql-nio.git",
-            from: "1.7.0"
+            url: "https://github.com/vapor/postgres-nio.git",
+            from: "1.33.0"
         ),
         .package(
             url: "https://github.com/apple/swift-nio.git",
-            from: "2.65.0"
+            from: "2.81.0"
+        ),
+        .package(
+            url: "https://github.com/apple/swift-nio-ssl.git",
+            from: "2.25.0"
         ),
     ],
     targets: [
@@ -50,8 +54,8 @@ let package = Package(
                     package: "hummingbird-fluent"
                 ),
                 .product(
-                    name: "FluentMySQLDriver",
-                    package: "fluent-mysql-driver"
+                    name: "FluentPostgresDriver",
+                    package: "fluent-postgres-driver"
                 ),
                 .product(
                     name: "FluentSQLiteDriver",
@@ -69,8 +73,8 @@ let package = Package(
             dependencies: [
                 .byName(name: "Persistence"),
                 .product(
-                    name: "MySQLNIO",
-                    package: "mysql-nio"
+                    name: "PostgresNIO",
+                    package: "postgres-nio"
                 ),
                 .product(
                     name: "NIOCore",
@@ -80,6 +84,10 @@ let package = Package(
                     name: "NIOPosix",
                     package: "swift-nio"
                 ),
+                .product(
+                    name: "NIOSSL",
+                    package: "swift-nio-ssl"
+                ),
             ],
             path: "Tests"
         ),