dependency updates and move to swift 6.1 for docker images

Author: mattpolzin

.github/workflows/codecov.yml

@@ -5,7 +5,7 @@ on: [push]
 jobs:
   codecov:
     container: 
-      image: swift:6.0
+      image: swift:6.1
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3

.github/workflows/tests.yml

@@ -13,26 +13,24 @@ jobs:
       fail-fast: false
       matrix:
         image:
-          - swift:5.9-focal
-          - swift:5.9-jammy
-          - swift:5.10-focal
-          - swift:5.10-jammy
           - swift:6.0-focal
           - swift:6.0-jammy
+          - swift:6.1-focal
+          - swift:6.1-jammy
     container: ${{ matrix.image }}
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v5
     - name: Run tests
       run: swift test
   osx:
-    runs-on: macOS-13
+    runs-on: macOS-15
     steps:
       - name: Select latest available Xcode
         uses: maxim-lobanov/setup-xcode@v1
         with: 
           xcode-version: latest
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
       - name: Run tests
         run: swift test

Dockerfile

@@ -1,5 +1,5 @@
 
-FROM swift:6.0 AS builder
+FROM swift:6.1 AS builder
 
 # Install OS updates and, if needed, sqlite3
 RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
@@ -52,7 +52,7 @@ RUN bin_path="$(swift build --package-path /build -c release --show-bin-path)" \
 ## Production image
 #
 
-FROM swift:6.0
+FROM swift:6.1
 
 # DEBIAN_FRONTEND=noninteractive for automatic UTC configuration in tzdata
 # Make sure all system packages are up to date.