Drop support for Swift versions prior to 5.8

.github/workflows/codecov.yml

@@ -5,7 +5,7 @@ on: [pull_request]
 jobs:
   codecov:
     container: 
-      image: swift:5.7
+      image: swift:5.8
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3

.github/workflows/tests.yml

@@ -13,62 +13,6 @@ jobs:
       fail-fast: false
       matrix:
         image:
-          - swift:5.1-xenial
-          - swift:5.1-bionic
-          - swift:5.2-xenial
-          - swift:5.2-bionic
-          - swift:5.2-focal
-          - swift:5.2-centos8
-          - swift:5.2-amazonlinux2
-          - swift:5.3-xenial
-          - swift:5.3-bionic
-          - swift:5.3-focal
-          - swift:5.3-centos8
-          - swift:5.3-amazonlinux2
-          # see below for 5.4, 5.5, etc.
-    container: ${{ matrix.image }}
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v3
-    - name: Run tests
-      run: swift test --enable-test-discovery
-  # 5.4 is separate because there was a bug in the compiler that caused
-  # us to need to run swift tets with the -sil-verify-none flag.
-  linux-5_4:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        image:
-          - swift:5.4-xenial
-          - swift:5.4-bionic
-          - swift:5.4-focal
-          - swift:5.4-centos8
-          - swift:5.4-amazonlinux2
-    container: ${{ matrix.image }}
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v3
-    - name: Run tests (without test discovery flag)
-      run: swift test -Xswiftc -Xfrontend -Xswiftc -sil-verify-none
-  linux-5_5-plus:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        image:
-          - swift:5.5-xenial
-          - swift:5.5-bionic
-          - swift:5.5-focal
-          - swift:5.5-centos8
-          - swift:5.5-amazonlinux2
-          - swift:5.6-bionic
-          - swift:5.6-focal
-          - swift:5.6-amazonlinux2
-          - swift:5.7-bionic
-          - swift:5.7-focal
-          - swift:5.7-jammy
-          - swift:5.7-amazonlinux2
           - swift:5.8-bionic
           - swift:5.8-focal
           - swift:5.8-jammy
@@ -87,7 +31,7 @@ jobs:
     - name: Run tests
       run: swift test
   osx:
-    runs-on: macOS-12
+    runs-on: macOS-13
     steps:
       - name: Select latest available Xcode
         uses: maxim-lobanov/setup-xcode@v1
@@ -96,4 +40,4 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Run tests
-        run: swift test --enable-test-discovery
+        run: swift test

Package.swift

@@ -1,11 +1,11 @@
-// swift-tools-version:5.1
+// swift-tools-version: 5.8
 
 import PackageDescription
 
 let package = Package(
     name: "OpenAPIKit",
     platforms: [
-        .macOS(.v10_10),
+        .macOS(.v10_13),
         .iOS(.v11)
     ],
     products: [
@@ -25,7 +25,8 @@ let package = Package(
     targets: [
         .target(
             name: "OpenAPIKitCore",
-            dependencies: []),
+            dependencies: [],
+            exclude: ["AnyCodable/README.md"]),
         .testTarget(
             name: "OpenAPIKitCoreTests",
             dependencies: ["OpenAPIKitCore"]),