Select Xcode 16 in workflows that analyse Swift

Author: mbg

.github/workflows/__export-file-baseline-information.yml

@@ -5,6 +5,10 @@ installGo: "true"
 env:
   CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
 steps:
+  - name: Use Xcode 16
+    shell: bash
+    if: runner.os == 'macOS'
+    run: sudo xcode-select -s "/Applications/Xcode_16.app"
   - uses: ./../action/init
     id: init
     with:

.github/workflows/__multi-language-autodetect.yml

@@ -3,6 +3,11 @@ description: "An end-to-end integration test of a multi-language repository usin
 operatingSystems: ["macos", "ubuntu"]
 installGo: "true"
 steps:
+  - name: Use Xcode 16
+    shell: bash
+    if: runner.os == 'macOS'
+    run: sudo xcode-select -s "/Applications/Xcode_16.app"
+
   - uses: ./../action/init
     id: init
     with:

.github/workflows/__swift-autobuild.yml

@@ -3,6 +3,10 @@ description: "Tests creation of a Swift database using autobuild"
 versions: ["nightly-latest"]
 operatingSystems: ["macos"]
 steps:
+  - name: Use Xcode 16
+    shell: bash
+    if: runner.os == 'macOS'
+    run: sudo xcode-select -s "/Applications/Xcode_16.app"
   - uses: ./../action/init
     id: init
     with:

.github/workflows/__swift-custom-build.yml

@@ -6,6 +6,10 @@ installGo: "true"
 env:
   DOTNET_GENERATE_ASPNET_CERTIFICATE: "false"
 steps:
+  - name: Use Xcode 16
+    shell: bash
+    if: runner.os == 'macOS'
+    run: sudo xcode-select -s "/Applications/Xcode_16.app"
   - uses: ./../action/init
     id: init
     with: