Add Swift 5.9, Remove Swift 5.6

.github/workflows/ci.yml

@@ -39,9 +39,10 @@ jobs:
     strategy:
       matrix:
         image:
-          - 'swift:5.6'
           - 'swift:5.7'
           - 'swift:5.8'
+          - 'swift:5.9'
+          - 'swiftlang/swift:nightly-5.10-jammy'
 
     container:
       image: ${{ matrix.image }}

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.6
+// swift-tools-version:5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription

README.md

@@ -4,7 +4,7 @@
 </picture>
 <p align="center">
 <a href="https://swift.org">
-  <img src="https://img.shields.io/badge/swift-5.6-brightgreen.svg"/>
+  <img src="https://img.shields.io/badge/swift-5.7-brightgreen.svg"/>
 </a>
 <a href="https://github.com/hummingbird-project/hummingbird/actions?query=workflow%3ACI">
   <img src="https://github.com/hummingbird-project/hummingbird/actions/workflows/ci.yml/badge.svg?branch=main"/>

docker/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3"
 
 services:
   common: &common
-    image: swift:5.6-focal
+    image: swift:5.7-jammy
     volumes:
       - ..:/code
     working_dir: /code