Use macOS-14 runner on CI

.github/workflows/build-run-tests-macos.yml

@@ -11,13 +11,14 @@ on:
 
 jobs:
   build:
-
-    runs-on:  macOS-13 # used to be macos-latest
+    runs-on:  macos-latest # used to be macos-latest
                        # look https://github.com/actions/runner-images/issues/6384 for info 
                        # why it was changed from macos-latest to macOS-12
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: swift-actions/setup-swift@v2
+    - name: Check out repository code
+      uses: actions/checkout@v4
     - name: Build
       run: swift build -v
     - name: Run tests

.github/workflows/build-run-tests-ubuntu.yml

@@ -15,8 +15,8 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Install Swift 5.9-RELEASE
+    - uses: actions/checkout@v4
+    - name: Install Swift 5.10-RELEASE
       run: |
         echo ====== Installing dependencies...
 
@@ -47,8 +47,8 @@ jobs:
         # uid                  Swift 5.x Release Signing Key <[email protected]
         SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
         SWIFT_PLATFORM=ubuntu22.04
-        SWIFT_BRANCH=swift-5.9-release
-        SWIFT_VERSION=swift-5.9-RELEASE
+        SWIFT_BRANCH=swift-5.10-release
+        SWIFT_VERSION=swift-5.10-RELEASE
         SWIFT_WEBROOT=https://swift.org/builds/
 
         set -e