fix: Build for Swift 5.x on Linux

.github/workflows/ci.yml

@@ -8,15 +8,15 @@ on:
     branches: [ main ]
 
 env:
-  CI_XCODE: '/Applications/Xcode_15.4.app/Contents/Developer'
+  CI_XCODE: '/Applications/Xcode_16.2.app/Contents/Developer'
 
 concurrency:
    group: ${{ github.workflow }}-${{ github.ref }}
    cancel-in-progress: true
 
 jobs:
   spm-test:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
     - uses: actions/checkout@v4
     - name: Install SwiftLint
@@ -33,6 +33,7 @@ jobs:
       with:
         format: lcov
         search-paths: ./.build
+        ignore-conversion-failures: true
       env:
           DEVELOPER_DIR: ${{ env.CI_XCODE }}
     - name: Upload coverage to Codecov
@@ -69,7 +70,7 @@ jobs:
 
   docs:
     timeout-minutes: 20
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
       - name: Generate Docs

.github/workflows/release.yml

@@ -4,11 +4,11 @@ on:
     types: [published]
 
 env:
-  CI_XCODE: '/Applications/Xcode_15.4.app/Contents/Developer'
+  CI_XCODE: '/Applications/Xcode_16.2.app/Contents/Developer'
 
 jobs:
   docs:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
       - name: Build and Deploy Docs

Dockerfile

@@ -1,7 +1,7 @@
 # ================================
 # Build image
 # ================================
-FROM swift:6.0-jammy as build
+FROM swift:5.10-jammy as build 
 
 # Install OS updates and, if needed, sqlite3
 RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
@@ -47,7 +47,7 @@ RUN [ -d /build/Resources ] && { mv /build/Resources ./Resources && chmod -R a-w
 # ================================
 # Run image
 # ================================
-FROM swift:6.0-jammy-slim
+FROM swift:5.10-jammy-slim
 
 # Make sure all system packages are up to date, and install only essential packages.
 RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \